(~s)
1.
An ~ is an arrangement that you have made to do something at a particular time. (FORMAL)
He had an ~ at a restaurant in Greek Street at eight.
N-COUNT
2.
An ~ is an agreement that two people have made with each other to get married.
I’ve broken off my ~ to Arthur...
N-COUNT: usu sing, usu poss N
3.
You can refer to the period of time during which two people are engaged as their ~.
N-COUNT: usu sing, usu poss N
4.
A military ~ is an armed conflict between two enemies.
The constitution prohibits them from military ~ on foreign soil.
N-VAR
5.
see also engage