Source : Webster's Revised Unabridged Dictionary (1913)

Motion picture \Mo"tion pic"ture\
   A moving picture.

Source : WordNet®

motion picture
     n : a form of entertainment that enacts a story by a sequence of
         images giving the illusion of continuous movement; "they
         went to a movie every Saturday night"; "the film was shot
         on location" [syn: {movie}, {film}, {picture}, {moving
         picture}, {moving-picture show}, {motion-picture show}, {picture
         show}, {pic}, {flick}]