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’
    as modifier ‘headwater erosion’
    • ‘Upland valleys and the headwaters of fast-flowing rivers descend to the coast through some of the world's largest swamps.’
    • ‘The scientist recently returned from an expedition to Turkey's Taurus Mountains near the headwaters of the Tigris River.’
    • ‘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.’
    • ‘Springbrook, on the headwaters of the Nerang River, received about 900 mm of rain within 24 hours.’
    • ‘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.’
    • ‘Clearcuts and the failure to provide for adequate buffers along the Caribou Mountain headwaters have increased stream flow.’
    • ‘It completely fills a small, deep valley in the headwaters of the Choluteca River, in the central highlands.’
    • ‘The Jivaro live on the eastern slopes of the Andes where mountain ranges meet the Amazon River headwaters.’
    • ‘However, not all lakes in the Wisconsin River headwaters seem to have offered comparable opportunities for wild rice gathering.’
    • ‘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.’
    • ‘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.’
    • ‘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 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.’
    • ‘Obtaining horses, they travelled over the Continental Divide to arrive at the headwaters of the Clearwater River.’
    • ‘The Dee River, with its headwaters in Bala Lake, the largest natural lake in Wales, flows through northern Wales into England.’
    • ‘Rather than gushing down a lush mountainside, the headwaters of the river seen in The Source puddle prosaically beside a suburban high school.’
    • ‘We pulled dinner from below the lower falls and spent another day crossing Otter Lake and exploring the boggy headwaters of the Steelhead River.’
    • ‘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.’
    • ‘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.’
    • ‘Located in west-central Montana, these streams join in a single valley to form the headwaters of the Missouri River.’
    source, origin, well head, headspring, headwaters
    View synonyms