RhymeZone: languet definitions

Definitions of languet:

noun: A narrow blade on the edge of a spade or shovel.
noun: A piece of metal on a sword hilt which overhangs the scabbard.
noun: A flat plate in (or opposite and below the mouth of) the pipe of an organ.
noun: (archaic) A narrow tongue of land.
noun: (zoology) A tongue-like organ found on certain tunicates.

(Definitions from Wiktionary)