watershed
water|shed /w'ɔːtərʃed/ (watersheds)
1 [N-COUNT] usu sing, oft N in n
If something such as an event is a watershed in the history or development of something, it is very important because it represents the beginning of a new stage in it.
The election of Mary Robinson in 1990 was a watershed in Irish politics...
= turning point
2 [N-COUNT] usu the N in sing
The watershed is a time before which television broadcasters have agreed not to show programmes unsuitable for children, for example programmes that contain scenes of sex or violence. (BRIT)
The advert should only be shown after the 9pm watershed.
1 [N-COUNT] usu sing, oft N in n
If something such as an event is a watershed in the history or development of something, it is very important because it represents the beginning of a new stage in it.
The election of Mary Robinson in 1990 was a watershed in Irish politics...
= turning point
2 [N-COUNT] usu the N in sing
The watershed is a time before which television broadcasters have agreed not to show programmes unsuitable for children, for example programmes that contain scenes of sex or violence. (BRIT)
The advert should only be shown after the 9pm watershed.