Definitions
1.NounA sheet of plastic embedded with microscopic crystals of herapathite or similarly acting material, so that light passing through it is polarized.
2.NounSpectacles made with lenses of this material, once used to view certain 3-D movies, now used as sunglasses.
3.NounA camera that develops its own film.
4.NounA print from such a camera.
5.VerbTo photograph with a polaroid camera.