(~s)
1.
You can refer to an event or a short period of time as an ~ if you want to suggest that it is important or unusual, or has some particular quality.
This ~ is bound to be a deep embarrassment for Washington...
Unfortunately it was a rather sordid ~ of my life.
N-COUNT: usu with supp
2.
An ~ of something such as a series on radio or television or a story in a magazine is one of the separate parts in which it is broadcast or published.
The final ~ will be shown next Sunday.
= instalment
N-COUNT: oft N of n
3.
An ~ of an illness is short period in which a person who suffers from it is affected by it particularly badly. (MEDICAL)
= attack
N-COUNT: usu with supp