collection Definition

1. The act of collecting.

Thesaurus: gathering, concentration, assemblage, accumulation, convocation, muster.
2. An accumulated assortment of things of a particular type.

Example: a stamp collection
Thesaurus: assortment, medley, treasury, anthology, compilation, aggregation, miscellany, selection, arrangement, agglomeration, corpus.
3. An amount of money collected.
4. The removal of mail from a postbox at scheduled times.