case knife

from WordNet (r) 3.0 (2006)
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}]
    
from The Collaborative International Dictionary of English v.0.48
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]
    

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