ETYM French, prop., a casket, dim. of casse a case. Related to lst Case.
1. A container that holds a magnetic tape used for recording or playing sound or video.
2. A usually flat case or cartridge that can be easily loaded or unloaded: as a lightproof magazine for holding film or plates for use in a camera; a plastic cartridge containing magnetic tape with the tape passing from one reel to another.
3. A cassette tape player.