Cist \Cist\, n. [L. cista box, chest, Gr. ? Cf. {Chest}.] 1. (Antiq.) A box or chest. Specifically: (a) A bronze receptacle, round or oval, frequently decorated with engravings on the sides and cover, and with feet, handles, etc., of decorative castings. (b) A cinerary urn. See Illustration in Appendix. 2. See {Cyst}.