Dictionary

watershed

noun wa·ter·shed \ˈw-tər-ˌshed, ˈwä-\

: a time when an important change happens

: a line of hills or mountains from which rivers drain : a ridge between two rivers

: the area of land that includes a particular river or lake and all the rivers, streams, etc., that flow into it

Full Definition of WATERSHED

1
a :  divide 2a
b :  a region or area bounded peripherally by a divide and draining ultimately to a particular watercourse or body of water
2
:  a crucial dividing point, line, or factor :  turning point
watershed adjective
ADVERTISEMENT

First Known Use of WATERSHED

1803

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale
WATERSHED Defined for Kids

watershed

noun wa·ter·shed \ˈw-tər-ˌshed, ˈwä-\

Definition of WATERSHED for Kids

1
:  a dividing ridge (as a mountain range) separating one drainage area from others
2
:  the whole area that drains into a lake or river

Browse

Next Word in the Dictionary: water shieldPrevious Word in the Dictionary: water shamrockAll Words Near: watershed
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears