something that is collected; a group of objects or an amount of material accumulated in one location, especially for some purpose or as a result of some process: a stamp collection; a collection of unclaimed hats in the checkroom; a collection of books on Churchill.
the works of art constituting the holdings of an art museum: a history of the museum and of the collection.
the gathered or exhibited works of a single painter, sculptor, etc.: an excellent Picasso collection.
collections, the various holdings of an art museum organized by category, as painting, sculpture, works on paper, photography, or film: the director of the collections.