n.
portion of time
1) a cooling-off; incubation; prehistoric; question-and-answer; rest; transitional; trial; waiting ~
2) (sports) an extra ~
3) for a ~
4) in a certain ~ (in that ~ of history)
menstruation
5) to have a ~
6) a monthly ~
punctuation mark
( esp. AE ; BE prefers full stop )
7) to place, put a ~ (at the end of a sentence)