English definition of “collection”
OBJECTS [C] › a group of objects of the same type that have been collected by one person or in one place: a private art collection
TAKING AWAY [U] › when something is taken away from a place: rubbish collection
MONEY [C] › an amount of money collected from several people: We had a collection for Emily's gift.
GROUP [C] › a group of things or people: There's quite a collection of toothbrushes in the bathroom.