Noun Watershed Definition and Examples







An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
  1. 'These included aggregations sampled along parallel watersheds in the Madawaska Highlands for examining fine geographic scale population structure.'
  2. 'Besides being a watershed, a hill area impacts a much larger area in the plains below.'
  3. 'The site encompasses an entire watershed and thus provides a unique educational opportunity.'
  4. 'Since so little was known of the species' ecology or distribution, work concentrated in the central piedmont, especially the Broad River watershed.'
  5. 'These sources are particularly important because the rivers drain watersheds that don't receive much summer rainfall and where rates of evaporation are relatively high.'
  6. 'The Penobscot River drains the largest watershed in Maine and is the U.S. Fish and Wildlife Service's flagship river for the restoration of Atlantic salmon in the country.'
  7. 'It is the largest river between the great Niger and Congo rivers, and its watershed drains the whole of Gabon.'
  8. 'The objective of this study was to characterize the vegetation of forested floodplain wetlands along a 66 km stretch of river within the upper Passaic River watershed.'
  9. 'Then, about 13,000 years ago, the southern edge of the ice sheet retreated past the divide that separates the Mississippi watershed from areas that drain northward.'
  10. 'The Pearl River watershed includes an area containing one-eighth of mainland China's population.'
  11. 'Benefit the environment by protecting watersheds and enhancing wildlife habitats and biodiversity.'
  12. 'We can do this while protecting critical watersheds, forest aesthetics and wildlife.'
An event or period marking a turning point in a situation.
  1. 'We serve in our military today at a watershed event in the history of modern warfare.'
  2. 'Publication of this story marks a watershed in American political history.'
  3. 'They mark 1973 as the watershed year in American economy, when the U.S. started lowering import tariffs from 40 per cent to the current average of five per cent.'
  4. 'The Kosovo War was a watershed event that profoundly changed the political situation.'
  5. 'In mythic terms, though, the destruction of the Second Temple was a watershed event in Jewish history - the most decisive since Moses came down from Mt. Sinai.'
  6. 'The year 2000 is shaping up to be another historic watershed.'
  7. 'Well, I think it was a historic watershed.'
  8. 'This election could prove to be a watershed in modern Canadian politics.'
  9. 'Arnold's response to that question was a watershed moment in his political life.'
  10. 'Naturalization rates increased during the 1920s, but the next decade was marked by a political watershed.'
  11. 'the 9 p.m. watershed'
  12. 'Shown on Halloween 1992 just after the 9pm watershed, Ghostwatch created something of a stir for purporting to be a live broadcast investigating nationwide claims of paranormal phenomena.'
  13. 'Warnings about the language will be given and it will be broadcast well after the watershed.'
  14. 'Why watch a programme, broadcast well after the watershed, if you know you are going to be offended by it?'
  15. 'His conclusion, for a programme that went out before the 9pm watershed, deserved an X-certificate.'
  16. 'It was a programme, on after the watershed, exploring why certain things are taboo and social reactions, after all.'
  17. 'It's on a minority channel at 10.00 pm tomorrow night - well after the watershed.'
  18. 'There is strong support for the watershed as the point at which programme content can become progressively more adult in tone.'
  19. 'There's a fabulous moment when live coverage of his first miracle is abruptly halted - because it's the BBC and he's sworn before the watershed.'
  20. 'More than three-quarters thought adult storylines should be scheduled after the 9pm watershed.'
  21. 'Complaints about TV soaps have soared to a new high prompting a warning from the Broadcasting Standards Commission about intense violence before the 9pm watershed.'
((n.) The whole region or extent of country which contributes to the supply of a river or lake.|--|(n.) The line of division between two adjacent rivers or lakes with respect to the flow of water by natural channels into them; the natural boundary of a basin.|--|)


1. Chiefly British. the ridge or crest line dividing two drainage areas; water parting; divide.

2. the region or area drained by a river, stream, etc.; drainage area.

3. Architecture. wash (def 44).

4. an important point of division or transition between two phases, conditions, etc.: The treaty to ban war in space may prove to be one of history's great watersheds. adjective

5. constituting a watershed: a watershed area; a watershed case.


"There can be watershed years."
"There can be watershed pacts."
"There can be watershed agreements."
"There can be watershed elections."
"There can be watershed areas."
"There can be watershed managements."
"There can be watershed decisions."
"There can be watershed settings."
"There can be watershed seasons."
"There can be watershed rules."
"There can be watershed polls."
"There can be watershed moments."
"There can be watershed lands."
"There can be watershed hearings."
"There can be watershed communities."
"There can be watershed changes."
"There can be watershed territories."
"There can be watershed swearings."
"There can be watershed slopes."
"There can be watershed run-offs."
"watersheds can extend in/at/on miles."
"watersheds can extend to colombians."
"watersheds can extend from cities."
"watersheds can extend across areas."

Early 19th century: from water + shed in the sense ‘ridge of high ground’ (related to shed), suggested by German Wasserscheide.

Similar Nouns to Watershed

List of Nouns that Start with A-Z

List of Nouns that End with A-Z

List of Nouns by Length

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