a life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim
a paste-up made by sticking together pieces of paper or photographs to form an artistic image; "he used his computer to make a collage of pictures superimposed on a map"
any collection of diverse things; "a collage of memories"
a representation of a person (especially in the form of sculpture); "the coin bears an effigy of Lincoln"; "the emperor's tomb had his image carved in stone"