Film \Film\, n. (Photog.) The layer, usually of gelatin or collodion, containing the sensitive salts of photographic plates; also, the flexible sheet of celluloid or the like on which this layer is sometimes mounted.

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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

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; hence, any thin, slight covering.

He from thick films shall purge the visual ray. --Pope.

2. A slender thread, as that of a cobweb.

Her whip of cricket's bone, the lash of film. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Film \Film\, v. t. To cover with a thin skin or pellicle.

It will but skin and film the ulcerous place. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)