Synonyms of watershed


1. watershed, water parting, divide, line

usage: a ridge of land that separates two adjacent river systems

2. river basin, basin, watershed, drainage basin, catchment area, catchment basin, drainage area, geographical area, geographic area, geographical region, geographic region

usage: the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; "flood control in the Missouri basin"

3. landmark, turning point, watershed, juncture, occasion

usage: an event marking a unique or important historical change of course or one on which important developments depend; "the agreement was a watershed in the history of both nations"

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Definition and meaning of watershed (Dictionary)