Watershed | Mean of watershed in English Dictionary

/ˈwɑːtɚˌʃɛd/

• Noun
• a time when an important change happens
1. The protests mark a watershed [=turning point] in the history of the country.
2. a watershed moment/year/event
• a line of hills or mountains from which rivers drain
• the area of land that includes a particular river or lake and all the rivers, streams, etc., that flow into it
1. the Connecticut River watershed

• the time of day after which television programs not appropriate for children may be broadcast
1. The show will not air until after the nine o'clock watershed.