mustache Meaning, Definition & Usage

  1. noun an unshaved growth of hair on the upper lip
    moustache.
    • he looked younger after he shaved off his mustache

WordNet

Mus*tache" noun
Etymology
F. moustache, It. mostaccio visage, mostacchio mustache, fr. Gr. upper lip and the beard upon it; cf. mouth: cf. Sp. mostacho.
Wordforms
plural Mustaches
Definitions
  1. That part of the beard which grows on the upper lip; hair left growing above the mouth.
  2. (Zoöl.) A West African monkey (Cercopithecus cephus). It has yellow whiskers, and a triangular blue mark on the nose.
  3. (Zoöl.) Any conspicuous stripe of color on the side of the head, beneath the eye of a bird.

Webster 1913