also black-out
(~s)
1.
A ~ is a period of time during a war in which towns and buildings are made dark so that they cannot be seen by enemy planes.
...~ curtains.
N-COUNT: usu sing
2.
If a ~ is imposed on a particular piece of news, journalists are prevented from broadcasting or publishing it.
...a media ~ imposed by the Imperial Palace...
Journalists said there was a virtual news ~ about the rally.
N-COUNT: usu sing, usu n N
3.
If there is a power ~, the electricity supply to a place is temporarily cut off.
There was an electricity black-out in a large area in the north of the country.
= power cut
N-COUNT: usu sing, usu n N
4.
If you have a ~, you temporarily lose consciousness.
I suffered a black-out which lasted for several minutes.
N-COUNT