Definition of ridge in English:



  • 1A long, narrow hilltop, mountain range, or watershed.

    ‘the North-East ridge of Everest’
    • ‘Venus has a complex surface, with plains, mountains, volcanoes, ridges, rift valleys, and a few impact craters.’
    • ‘I knew from experience that it is vital to descend the east ridge of the mountain.’
    • ‘Iceland is a segment of mid-ocean ridge domed up above sea level by the plume.’
    • ‘Most of the country consists of gently rolling plains interrupted by two ridges of low hills.’
    • ‘Other groups that climbed the ridge in recent days reported icy conditions.’
    • ‘After a morning's climb, we reach the summit ridge in time for lunch.’
    • ‘Reach the summit ridge and bear left for the final few feet to the summit.’
    • ‘For instance, large quartzite boulders cap several of the mountain ridges in the Wallowa Mountains of northeast Oregon.’
    • ‘With its river beds, attractive hill ridges and stunning mountains, it provides city dwellers access to nature right on their doorstep.’
    • ‘The proposed route traverses steep, forested ridges in an area of frequent earthquakes.’
    • ‘The houses were located on raised limestone beach ridges from 8 to 22 m above sea level.’
    • ‘Another portion climbs a ridge of the mountain.’
    • ‘The dyke forms a ridge, as a result of a pervasive calcite cement.’
    • ‘They proceeded to the scene which was on the western ridge of the hill.’
    • ‘Al Deir is encircled by the rounded bluffs and ridges of a range which plunges 1500 metres to Wadi Araba, a valley linking the Dead Sea to the Red Sea.’
    • ‘The British hoped the operation would secure a strategic ridge overlooking Ypres and smash through the German line.’
    • ‘We can't tell how high they are, but we think they are ridges of hills.’
    • ‘Midweek, Stefan's group will visit the villages of Magura and Pestera, where houses are built along the mountain ridges which flank deep ravines and valleys.’
    • ‘You turn to look back at the ridge overlooking your village.’
    • ‘During the Early Devonian two realms were separated by a ridge extending through the centre of the continent.’
    mountain, hill, height, alp, aiguille, serac, puy, crag, tor, inselberg
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    1. 1.1 The line or edge formed where the two sloping sides of a roof meet at the top.
      ‘the roof was unusual due to the relative heights of the eaves and the ridge’
      • ‘Even the plainer lodges are likely to have additions such as finials and cresting on the ridge of the roof.’
      • ‘There was no apparent evidence of any leakage through the roof slopes, ridge, hip, valley or chimney stack intersections.’
      • ‘Here, the Normans do have a thing or two to learn, because many of the thatched cottages have a row of irises planted along the ridge of the roof.’
      • ‘Under the roof ridge there are cross planks that hold various secrets.’
      • ‘The continuous surface helped by removing the requirement for distinctions between wall and roof, eliminating all need for ridges, eaves and even changes of plane.’
      • ‘These are long strips of open, screened vent, typically made from vinyl, that are installed along the ridge of the roof.’
      • ‘The ridge of the roof is a water channel from which water overflows onto the thin roofing membrane of stone and glass.’
      • ‘The ridges of the roofs of the four new homes ended up a metre higher than in the original plans passed by Kennet District Council in 2000.’
      • ‘Back-to-back classrooms share a wall that runs under the roof ridge, and have either north or south-facing operable windows.’
      • ‘This has turned out to be a problem, because the attic is vented at the roof ridge, and the vent screen becomes clogged with dryer lint.’
      • ‘The buildings are usually gabled, with rows of tiles along the ridges of the roofs.’
      • ‘Metal roofing is applied in approximately 3-foot-wide vertical pieces that stretch from the eaves to the ridge.’
      • ‘These gutter joists, as well as those constituting the ridges of the rooflet have a descent of 6.’
      • ‘He took the cigarette out, staring at the roof ridge.’
      • ‘Roof ridges had to be carefully supported in their original positions to retain the roof's authentic curvature.’
      • ‘During my visit I saw that the proposed conservatory would be directly below the main living room window, although the ridge of the roof would not extend as far upwards as the window ledge.’
      • ‘The ridge of the upper-floor ceiling is offset from the central ridge of the gable roof above.’
      • ‘Six stainless steel flues vent forge smoke through the corrugated iron roof which is cut away at the ridge for a skylight that runs the length of the studio.’
      • ‘In church building, for instance, decorative features using cast iron could include the ridge along the roof as well as gates and grilles.’
      • ‘We view the vacant alternate site of the inner compound and catch our first glimpse of the ridge and the roof finials of the main sanctuary beyond the fences.’
      summit, peak, pinnacle, crest, crown, brow, brink, head, highest part, highest point, mountaintop, tip, apex, vertex, acme, apogee
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    2. 1.2 A narrow raised band on a surface.
      ‘buff your nails in order to smooth ridges’
      • ‘While the ventral face of the centrum generally is covered with an undulating pattern of faint ridges, the lateral surfaces are more or less smooth.’
      • ‘The distal half of the shaft has a faint longitudinal ridge running along the midline of the anterior face.’
      • ‘It shows a band of enamel on one of the sides, and smooth ridges run along the surface.’
      • ‘While it is mostly smooth plastic, there are ridges molded into the running surface.’
      • ‘The scapula is a tall narrow blade with a vertical ridge on its external surface.’
      • ‘Also, since this sauce is a little thinner than a béchamel, use a pasta with ridges, in order to hold on to the sauce.’
      • ‘Nails are smooth now, ridges gone, white flecks have nearly gone.’
      • ‘Using pipe insulation, carpet padding and polyurethane fill, he has raised ridges and mounds within his paint surfaces.’
      • ‘Well-developed longitudinal ridges are consistently present and prominent on both surfaces of the tooth.’
      • ‘The apical ectodermal ridge consists of closely packed columnar epithelial cells, which are linked by extensive gap junctions.’
      • ‘Transverse terrace ridges cross both the axis and pleural region.’
      • ‘Nearly the entire Unioninae subfamily has smooth surfaces with the exception of ridges formed from the concentric growth rings.’
      • ‘Hard-wearing though they are, with the passing of time these tiles became slightly concave, so that the pointing lines formed raised ridges.’
      • ‘Painting will accentuate, not hide, any ridges and edges that you leave.’
      • ‘The varnish smoothes out the gaps and ridges on the surface of the teeth and prevents the build-up of plaque, which causes decay.’
      • ‘Longitudinal striations are accentuated ridges in the nail surface that can occur as a normal part of the aging process.’
      • ‘The fossil tubes have flanges, concentric growth lines and wavy longitudinal ridges.’
      • ‘Three scars ran over the smooth skin, rough ridges through his cheek and under his eye and up the side of his face.’
      • ‘It takes practice to judge how hard to press - too firmly, and you scoop off compound nearly to the tape; too lightly and you leave ridges at the edge.’
      • ‘Tiny ridges, bumps and cracks visible on their surfaces are magnified a thousand fold.’
      cliff, promontory, headland, crag, bank, slope, height, peak, escarpment, scarp, precipice, rock face, overhang
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    3. 1.3 A raised strip of arable land, especially (in medieval fields) one of a set separated by furrows.
      ‘a path led through the ridges and furrows of fields long left to nature’
      • ‘The extensive sets of ridges were clearly constructed and used by Oneota cultivators during the first half of the fifteenth century A.D., during the Pammel Creek phase.’
      • ‘Small clusters of stalk-like asparagus spears protrude from the top of long ridges of slightly raised earth.’
      • ‘Along one side is the lovely green ripple of ridge and furrow pasture, unfortunately a portion has been ploughed.’
      • ‘Here also you've got the village boundary bank, and areas of ridge and furrow.’
      • ‘The land is flat, sometimes undulating as old ridge and furrow pasture; the route passes near a trig point on a rare hillock 250 ft high.’
      • ‘Mr Canham said: ‘You can see a system of ridges and furrows and there could have been two or three farm buildings on the site.’’
      • ‘As a result, the yield potentials of such soils are usually higher under no-till or ridge tillage than under moldboard plowing.’
      • ‘The field to the south shows undulating medieval ridge and furrow.’
      • ‘Applying one to two inches of water after the seed has been planted will cause soil particles to dislodge and move from the tops of soil ridges into the seed furrow.’
      • ‘Our journey opened out with a white gate to pastures, shaded ridge and furrow and sight of Kilburn's White Horse from an aspect that flatters its awkward shape.’
      • ‘Making ridge and furrow system in the row crops will also facilitate better conservation of the subsequent rains and promote better growth of the crops.’
      • ‘Unlike Derwenthorpe there would be no risk of flooding, no destruction of ancient ridge and furrow meadows and hedgerows and no damage to wildlife habitats.’
      • ‘Scientists in Minnesota are looking at how ridge tillage affects pesticide leaching.’
      • ‘At Flint Hall there is a cricket pitch which retains its ridge and furrow ripples, painful for fielders.’
      • ‘Avoid planting on ridges where rows can be exposed to dry soil conditions and wind which may erode the soil, exposing the seed and making the hill too small to cover new tubers.’
      • ‘Hoe drills, especially those with wider row spacing, can plant seed deeper because they can build a ridge and plant in the furrow.’
      • ‘Nonetheless, cultivation ridges show that crops were grown here, and the site is very substantial for a seasonal camp; thus, it may well have been occupied year round.’
      • ‘At Eulrich, he excavated four test units, two of which cross-sectioned apparent sets of ridges and furrows.’
      • ‘The 70-acre grassed area has important historical and archaeological features including ridges and furrows of medieval cultivation as well as a rich store of flora and fauna.’
      • ‘Guarded or shielded sweeps are very useful because they permit shallow cultivation of a wide strip without forming ridges.’
      bank, mound, earthwork, causeway, barrier, levee, dam, dyke
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  • 2Meteorology
    An elongated region of high barometric pressure.

    ‘a high-pressure ridge helping to steer cyclones further south’
    • ‘In between our fronts are ridges of high pressure.’
    • ‘The first is the ridge of high pressure which exists between depressions moving from west to east steered by the upper-level jet stream.’
    • ‘But today the pattern changed and the hoped for high pressure ridge from Bermuda is beginning to build and it looks stronger every day.’
    • ‘A ridge is an elongated area of high atmospheric pressure.’
    • ‘A week of sunshine and showers followed as a ridge of high pressure dominated.’


[WITH OBJECT]often as adjective ridged
  • 1Mark with or form into ridges.

    ‘the ridged sand of the beach’
    ‘a field ploughed in narrow stretches that are ridged up slightly’
    • ‘Starting way back in time - the ground is ridged with long earthworks, there are large round tumuli and there are standing stones that look like a circle on the horizon as you approach them but perhaps are more of a line.’
    • ‘Two mammoth horns curved out from the head stretching up along the sides of a colossal diadem of brilliant brass encircling the bony ridged cranium of the beast.’
    • ‘The blades were also unusual in being longitudinally ridged and oriented along the axis of the ear branch rather than angling away from it, as in normal A619 ears.’
    • ‘Growing to a height of some thirty metres, the bark is distinctively ridged and furrowed and has characteristic large burrs or bosses.’
    • ‘‘These,’ she said, pulling out an old pair of narrow black boots with curiously ridged soles.’
    • ‘The large, ‘trumpet’ scales are arranged at regular intervals in lines running down the body parallel to a mid-dorsal line of ridged scales.’
    • ‘Heat a heavy-based frying pan or ridged griddle until very hot.’
    • ‘In addition to the unique single vascular system, these new specimens exhibit a distinct six ridged external shape, and an integumentary morphology shared by no other medullosan ovules.’
    • ‘He states, ‘Initially green, the husks turn black as they mature, then break open to release the hard, ridged nut within.’’
    • ‘Similar teeth with a conspicuously ridged enamel surface are also known for Acrochordus, and for the colubroid genus Enhydris.’
    • ‘In the street, wheel tracks ridged the frozen mud.’
    • ‘One turn, to brown the birds on the other side, sans weight, and they emerge - juicy, crisp, and handsomely ridged with grill marks.’
    • ‘Anton could see the ridged roof of its mouth as it yowled loudly.’
    • ‘The natives roared and threw spears at its head; most bounced, yet one stuck into its scaly, ridged spine.’
    • ‘The anterior part of these plates is ridged and is used to chop food; the posterior part is expanded and flat and used for crushing.’
    • ‘The protoconidmetaconid notch is broadly open, forming a shallow U-shaped valley, and there is no raised protocristid; the enamel of the valley surface is moderately ridged and grooved.’
    • ‘Either a flat or ridged bottom can be used on a gas burner.’
    • ‘These mounds are of three types: platform, burial, and ridged.’
    • ‘The name is based on their four-sided, ridged appearance in tangential cross section.’
    • ‘Garganelli pasta is like penne but the tube is ridged so it holds more sauce.’
    wrinkled, wrinkly, crinkled, crumpled, rumpled, creased, crimped, corrugated, fluted, gathered, puckered, furrowed, ridged, grooved, rippled, wavy, kinked, kinky
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    1. 1.1no object (of a surface) form into or rise up as a ridge.
      ‘the crust of the earth ridged’
      • ‘A disruption of the distal matrix may cause problems with the deeper layers, resulting in ridging or splitting.’
      • ‘But for the rest, and that's close on half the top 20, ambition now revolves around grasping the coat-tails of the boom-boom bandwagon and hanging on for dear life as it rattles along a road ridged around a ravine.’


Old English hrycg ‘spine, crest’, of Germanic origin; related to Dutch rug and German Rücken ‘back’.