case knife n 1: a metal blade with a handle; used as cutlery 2: a knife with a fixed blade that is carried in a sheath [syn: {case knife}, {sheath knife}]
Case knife \Case" knife`\ 1. A knife carried in a sheath or case. --Addison. [1913 Webster] 2. A large table knife; -- so called from being formerly kept in a case. [1913 Webster]