WordNet (r) 3.0 (2006):

picture show
    n 1: 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]

Moby Thesaurus II by Grady Ward, 1.0:

45 Moby Thesaurus words for "picture show":
   3-D, Cinemascope, Cinerama, Technicolor, Western, animated cartoon,
   black-and-white film, cartoon, chiller, cine, cinema, color film,
   creepie, documentary, documentary film, educational film, feature,
   film, flick, flicker, horror picture, horse opera, motion picture,
   motion-picture show, movie, moving picture, newsreel, nudie,
   photodrama, photoplay, picture, pornographic film, preview, short,
   show, silent, silent film, skin flick, sneak preview,
   spaghetti Western, talkie, talking picture, thriller, trailer,
   underground film