Definition of: film

(film) noun
1. A thin coating, layer, or membrane.
2. Phot. a A thin coating of a light-sensitive emulsion laid on a glass plate or on a flexible base, for making photographs. b The base itself.
3. A motion picture.
4. A delicate filament, as of a cobweb.
5. Pathol. A morbid growth on the cornea of the eye.
—v.t.
1. To cover or obscure by or as by a film.
2. To photograph on a film; especially, to take motion pictures of.
—v.i.
3. To become covered or obscured by a film.
4. To take motion pictures. [OE filmen membrane]