Definition of headwater in English:



usually headwaters
  • A tributary stream of a river close to or forming part of its source.

    ‘these paths follow rivers right up into their headwaters’
    • ‘Swindon's location, so close to the headwaters of the River Thames, does not sit well with the normal sewage treatment works programme that allows some dilution effect to deal with pollution.’
    • ‘The scientist recently returned from an expedition to Turkey's Taurus Mountains near the headwaters of the Tigris River.’
    • ‘Rather than gushing down a lush mountainside, the headwaters of the river seen in The Source puddle prosaically beside a suburban high school.’
    • ‘For this rural city nestled in an Appalachian Mountain valley at the headwaters of three major rivers, the question was whether trees could reduce flooding.’
    • ‘We pulled dinner from below the lower falls and spent another day crossing Otter Lake and exploring the boggy headwaters of the Steelhead River.’
    • ‘Obtaining horses, they travelled over the Continental Divide to arrive at the headwaters of the Clearwater River.’
    • ‘The routes and trails to the buffalo plains commonly followed the banks of the west-flowing rivers to their remote headwaters on the Continental Divide.’
    • ‘Springbrook, on the headwaters of the Nerang River, received about 900 mm of rain within 24 hours.’
    • ‘The Dee River, with its headwaters in Bala Lake, the largest natural lake in Wales, flows through northern Wales into England.’
    • ‘Although the year of Geronimo's birth remains obscure, he was born a Bedonkohe Apache around the headwaters of the Gila River in the mountains of southwestern New Mexico.’
    • ‘The Jivaro live on the eastern slopes of the Andes where mountain ranges meet the Amazon River headwaters.’
    • ‘The Scottish explorer, Mungo Park, for example, attempted to explore the headwaters of the Niger River during the 1850's with a large group of men recruited from British jails.’
    • ‘As with many eastern national forests, the government bought these tracts from private owners, hoping that in time a new forest would take hold to protect the headwaters of eastern rivers.’
    • ‘Located in west-central Montana, these streams join in a single valley to form the headwaters of the Missouri River.’
    • ‘It completely fills a small, deep valley in the headwaters of the Choluteca River, in the central highlands.’
    • ‘Upland valleys and the headwaters of fast-flowing rivers descend to the coast through some of the world's largest swamps.’
    • ‘Clearcuts and the failure to provide for adequate buffers along the Caribou Mountain headwaters have increased stream flow.’
    • ‘The compositions of the magnetic minerals deposited within a sedimentary environment depend primarily on the compositions of the rocks in the headwaters of the streams and rivers entering the sedimentary basin.’
    • ‘However, not all lakes in the Wisconsin River headwaters seem to have offered comparable opportunities for wild rice gathering.’
    • ‘Near starvation, the explorers finally find the headwaters of the Columbia River and are soon riding the swift current toward the Pacific Ocean and their second winter away from home.’
    source, origin, well head, headspring, headwaters
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