AskDefine | Define watershed

Dictionary Definition



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]

User Contributed Dictionary



water + shed, calque of German Wasserscheide, from German Wasser, from , from , from Proto-Indo-European root , + German Scheide, from , from , from Proto-Indo-European base


  • (UK): /ˈwɔ:təʃɛd/, /"wO:t@SEd/
  • (US): , /ˈwɔtɚʃɛd/, /"wOt@`SEd/


  1. A region of land within which water flows down into a specified body, such as a river, lake, sea, or ocean; a drainage basin or catchment basin.
  2. The topographical boundary dividing two adjacent catchment basins.
  3. A critical point marking a change in course or development.
  4. The time after which material of more adult nature (violence, swear words, sex) may be broadcast on television or radio.



drainage basin or catchment basin
boundary between adjacent catchment basins
time after which adult material may be broadcast
critical point marking a change in course or development
Translations to be checked

Extensive Definition

Watershed may refer to:

See also

Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1