Watershed
/wˈɔtəˌrʃɛd/
Listen pronunciation
Definition
(noun) The topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest.
Sentence Examples
Boston is in the Neponset River watershed.
This is a watershed moment for the whole industry.
CEFR Practice Quiz
The discovery of the new vaccine was a ____ moment in the history of medicine, saving many millions of lives today.