1 a thin flexible strip of plastic or other material coated with light-sensitive emulsion for exposure in a camera, used to produce photographs or motion pictures: he had already shot a whole roll of film | a new range of films and cameras.
• material in the form of a thin flexible sheet: clear plastic film between the layers of glass.
• a thin layer covering a surface: she quickly wiped away the light film of sweat.
• archaic a fine thread or filament: films of silk.
2 a motion picture; a movie: a horror film | [ as modifier ] : a film director.
• movies considered as an art or industry: a critical overview of feminist writing on film.
1 [ with obj. ] capture on film as part of a series of moving images; make a movie of (a story or event): she glowered at the television crew who were filming them.
• [ no obj. ] (film well/badly) be well or badly suited to portrayal in a film: an adventure story that would film well.
2 [ no obj. ] become or appear to become covered with a thin layer of something: his eyes had filmed over.
filmdom noun film ( sense 2 of the noun)
ORIGIN Old English filmen ‘membrane’; related to fell5.