n. - A thin skin; a pellicle; a membranous covering, causing opacity; hence, any thin, slight covering.
n. - A slender thread, as that of a cobweb.
v. t. - To cover with a thin skin or pellicle.
n. - 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.