Definition of mountain ash in US English:

mountain ash


  • 1A small deciduous tree of the rose family, with compound leaves, white flowers, and red berries.

    Genus Sorbus, family Rosaceae: several species, in particular the North American S. americana

    Also called rowan
    • ‘Trees, including copper beech and mountain ash, are planted around the lawn area at the base of the garden to give a sense of scale.’
    • ‘They eat almost exclusively fruit in the winter, relying on the berries of mountain ash, juniper, dogwood, and others.’
    • ‘Former opposition leader William Hague opened the new development by planting a native mountain ash tree on the site.’
    • ‘The plundered tree is a native mountain ash, Sorbus aucuparia.’
    • ‘People wanted to see apple, pear, damson and decorative trees like mountain ash and oak planted.’
    • ‘The mix of mountain ash and maple trees was part of an extensive landscaping project along Paddy Brown's Road carried out in conjunction with road improvements and the building of a new roundabout.’
    • ‘There are coast paths, too, winding through dwarf willow and mountain ash to ruined villages looking wistfully out to sea, their populations long since departed.’
    • ‘A commemorative mountain ash tree will also be planted in their memory.’
    • ‘Many a Scots family planted mountain ash, a tree with brilliant red-orange berries, at its door to keep the witches and fairies away.’
    • ‘It's hard to think of autumn and winter berries without thinking of the mountain ash, or rowan tree.’
    • ‘This winter, young mountain ash trees are weighed down with scarlet berries while Scots pine saplings flourish alongside their ancestors' gnarled remains.’
    • ‘Restrictions were lifted on January 1 and nearly 3,000 trees have now been planted, including oak, ash, holly, hazel, hawthorn and mountain ash, covering five acres.’
    • ‘Cullentra Wood comprises a long established woodland mainly of oak, but also containing ash, hazel, holly, mountain ash, cherry, birch and alder.’
    • ‘The rowan tree, or mountain ash as it is better known, is now in full bloom.’
    • ‘From there down to about 8,100 feet is a subalpine forest with subalpine fir, mountain ash, and other species.’
    • ‘They eat almost nothing but fruit in the winter, relying on the berries of mountain ash, juniper, holly, and others.’
    • ‘Oak, mountain ash, and coniferous trees are found in mountainous regions under 1,000 feet.’
    • ‘Visitors to the garden will notice juniper, ash, walnut, mountain ash and beech trees as well as jasmine, honeysuckle, lilac, lilies and tulips.’
    • ‘These trees, including many varieties of crabapple, hawthorn, pear, mountain ash, flowering quince and pyracantha, should be pruned during the dormant season.’
    • ‘Even in winter there's an austere beauty to the bare branches of aspen, apricot, and apple trees, and the bright-red berries of mountain ash.’
  • 2Australian A eucalyptus tree that is widely used for timber.

    Genus Eucalyptus, family Myrtaceae: several species, in particular the very tall E. regnans

    • ‘Timber towns such as Woods Point, Noojee, and Matlock were burnt to the ground, as extensive tracts of mountain ash forest (including Melbourne's main catchment area) were incinerated.’
    • ‘Lowland riverine forests gradually become pockets of temperate rainforest, sprinkled with mountain ash and grey gums.’
    • ‘The Jurassic grandeur of the Otway National Park soon enfolded the road, the car, and much of the daylight, within a leafy tunnel of mountain ash, gum, beech and ferns.’
    • ‘Now what about the tallest trees, because I believe the tallest one ever measured in Australia was a eucalyptus regnans, or a mountain ash, in Victoria.’
    • ‘David Lindenmeyer raises a very interesting point that the mountain ash forests in Australia, in Victoria and Tasmania, are the best carbon sinks of any forests in the world, which is quite interesting.’


mountain ash

/ˈmount(ə)n ˌaSH//ˈmaʊnt(ə)n ˌæʃ/