A thin skin; a pellicle; a membranous covering, causing opacity; hence, any thin, slight covering.(noun)
source: webster1913
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.(noun)
source: webster1913
verb (v)
make a film or photograph of something(verb.communication)