'Motion picture' definitions:

Definition of 'motion picture'

noun

A form of entertainment that enacts a story by sound and 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, motion-picture show, picture show, pic, flick]

From: GCIDE

Motion picture \Mo"tion pic"ture\
1. A series of pictures on a strip of film, taken at regular intervals in rapid succession (now usually 24 frames per second for ordinary work) by a special camera, intended to capture the image of objects in motion. [PJC]
2. the display of the images captured on a {motion picture}[1], presented to the eye in very rapid succession by projection from a special apparatus (a {movie projector}), with shows some or all of the objects in the picture represented in changing positions, producing, by persistence of vision, the optical effect of a continuous picture in which the objects appear to move as they did in the original scene.
Syn: movie, moving picture, flick. [Webster 1913 Suppl. +PJC]
3. The conceptual or informational content of a {motion picture}[1]; the actions or events represented in a motion picture[1]; the story line of a movie. "One of the great punch lines in motion picture history is `Round up the usual suspects.' from `Casablanca'." [PJC]