1. a technique of composing a work of art by pasting on a single surface various materials not normally associated with one another, as newspaper clippings, parts of photographs, theater tickets, and fragments of an envelope.
2. a work of art produced by this technique. Compare assemblage ( def. 3 ) .
3. an assemblage or occurrence of diverse elements or fragments in unlikely or unexpected juxtaposition: The experimental play is a collage of sudden scene shifts, long monologues, musical interludes, and slapstick.
4. a film that presents a series of seemingly unrelated scenes or images or shifts from one scene or image to another suddenly and without transition.