case knife

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A knife kept in a sheath or case.
• noun A table knife.

from The Century Dictionary.

• noun A knife carried in a case or sheath.
• noun An old name for a table-knife, still sometimes used.

from the GNU version of the Collaborative International Dictionary of English.

• A knife carried in a sheath or case.
• A large table knife; -- so called from being formerly kept in a case.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A knife carried in a sheath or case.
• noun A large table knife of a kind formerly kept in a case.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a knife with a fixed blade that is carried in a sheath
• noun a metal blade with a handle; used as cutlery