A watershed in New Zealand.
The definition of a watershed is a ridge or basin dividing the areas drained by different rivers.
An example of watershed is the hills and area above a reservoir.
- a ridge or stretch of high land dividing the areas drained by different rivers or river systems
- the area drained by a river or river system
- a crucial turning point affecting action, opinion, etc.
- The entire region draining into a river, river system, or other body of water: a list of reptiles found in the watershed. Also called basin . Also called drainage basin .
- A ridge of high land dividing two areas that are drained by different river systems. Also called divide . Also called water parting .
- A critical point that marks a division or a change of course; a turning point: “a watershed in modern American history, a time that … forever changed American social attitudes” ( Robert Reinhold )
Origin of watershedProbably translation of German Wasserscheide water parting, border between watersheds Wasser water Scheide divide, parting
- (hydrology) The topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest.
- (US) A region of land within which water flows down into a specified body, such as a river, lake, sea, or ocean; a drainage basin.
- A critical point marking a change in course or development.
- (Canada, UK) The time after which material of more adult nature (violence, swear words, sex) may be broadcast on television or radio, either one laid down or one contrived (e.g. when children are not watching...)