The Collaborative International Dictionary of English v.0.48:

Film \Film\, n. [AS. film skin, fr. fell skin; akin to fylmen
   membrane, OFries. filmene skin. See Fell skin.]
   1. A thin skin; a pellicle; a membranous covering, causing
      opacity.
      [1913 Webster]

            He from thick films shall purge the visual ray.
                                                  --Pope.
      [1913 Webster]

   2. hence, any thin layer covering a surface.
      [1913 Webster +PJC]

   3. A slender thread, as that of a cobweb.
      [1913 Webster]

            Her whip of cricket's bone, the lash of film.
                                                  --Shak.
      [1913 Webster]

   4. (Photog.) The layer, usually of gelatin or collodion,
      containing the sensitive salts of photographic plates.
      [PJC]

   5. (Photog.) a flexible sheet of celluloid or other plastic
      material to which a light-sensitive layer has been
      applied, used for recording images by the processes of
      photography. It is commonly used in rolls mounted within
      light-proof canisters suitable for simple insertion into
      cameras designed for such canisters. On such rolls,
      varying numbers of photographs may be taken before the
      canister needs to be replaced.
      [PJC]

   6. a motion picture.
      [PJC]

   7. the art of making motion pictures; -- used mostly in the
      phrase the film.
      [PJC]

   8. a thin transparent sheet of plastic, used for wrapping
      objects; as, polyethylene film.
      [PJC]

   Celluloid film (Photog.), a thin flexible sheet of
      celluloid, coated with a sensitized emulsion of gelatin,
      and used as a substitute for photographic plates.

   Cut film (Photog.), a celluloid film cut into pieces
      suitable for use in a camera.
      [Webster 1913 Suppl.]