- any of the series of painted images photographed to make an animated cartoon
- a transparent sheet on which a single stage of an animated figure's movement has been painted: it is laid over a painted background to form the completed image
Origin of celvariant, variety of cell, shortened from celluloid, a material used for the sheets
A transparent sheet of celluloid or plastic, used to layer elements of an animated image on top of a background in order to reduce the number of elements that need to be re-created for each frame.
Origin of celShort for celluloid