watershed
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wa·ter·shed

noun \ˈw-tər-ˌshed, ˈwä-\

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

Examples of WATERSHED

  1. The show will not air until after the nine o'clock watershed.
  2. <a watershed moment in her life came when she inherited a reasonable sum of money and was able to start her own coffee shop>

First Known Use of WATERSHED

1803

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

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