collagePronunciation: /ˈkɒlɑːʒ, kəˈlɑːʒ/Translate collage | into German | into Italian Definition of collage noun a piece of art made by sticking various different materials such as photographs and pieces of paper or fabric on to a backing. [mass noun] the art of making collages. a collection or combination of various things:a collage of musical genresDerivatives collagist noun Origin: early 20th century: from French, literally 'gluing'collage in other Oxford dictionaries Definition of collage in the US English dictionary