Watershed - Dictionary Definition and Overview

Watershed :  (noun)
1: a ridge of land that separates two adjacent river systems [syn: water parting, divide]
2: 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" [syn: landmark, turning point]

Based on WordNet 2.0

Watershed : \Wa"ter*shed`\, n. [Cf. G. wasserscheide; wasser water _ scheide a place where two things separate, fr. scheiden to separate.] 1. The whole region or extent of country which contributes to the supply of a river or lake.

2. 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.

Based on WordNet (r) 2.0 (August 2003)
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