watershed

• POS: Noun
• HYPHEN: wa=ter=shed
• COUNT in NET: 2 in 2 verses (in OT : 2 in 2 verses)

CIDE DICTIONARY

watershed, n. [Cf. G. wasserscheide; wasser water + scheide a place where two things separate, fr. scheiden to separate.].

•  The whole region or extent of country which contributes to the supply of a river or lake.  [1913 Webster]
•  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; -- called also divide and water parting.  [1913 Webster]
•  a point in time marking an important transition between two situations, or phases of an activity; a turning point.  [PJC]

OXFORD DICTIONARY

watershed, n.
1 a line of separation between waters flowing to different rivers, basins, or seas.
2 a turning-point in affairs.

Etymology

WATER + shed ridge of high ground (rel. to SHED(2)), after G Wasserscheide