(~s)
1.
An ~ is an organized journey that is made for a particular purpose such as exploration.
...Byrd’s 1928 ~ to Antarctica.
N-COUNT: oft N to n
2.
You can refer to a group of people who are going on an ~ as an ~.
Forty-three members of the ~ were killed.
N-COUNT
3.
An ~ is a short journey or trip that you make for pleasure.
...a fishing ~.
= trip
N-COUNT