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]

Source: The Collaborative International Dictionary of English v.0.48
 

case knife

Source: WordNet (r) 2.0
 

Case knife \Case" knife`\

1. A knife carried in a sheath or case. --Addison.

2. A large table knife; -- so called from being formerly kept in a case.

Source: Webster's Revised Unabridged Dictionary (1913)