(~s)
1.
A ~ is someone who is employed to clean the rooms and furniture inside a building.
N-COUNT
2.
A ~ is someone whose job is to clean a particular type of thing.
He was a window ~.
N-COUNT: n N
3.
A ~ is a substance used for cleaning things.
...oven ~.
...abrasive ~s.
N-MASS: usu n N
4.
A ~ is a device used for cleaning things.
...an air ~.
N-COUNT: usu n N
see also pipe ~ , vacuum ~
5.
A ~ or a ~’s is a shop where things such as clothes are dry-cleaned.
N-COUNT: oft the N