Main Entry: mus·tache

Variant(s): also mous·tache \ˈməs-ˌtash, (ˌ)mə-ˈstash\

Function: noun

Etymology: Middle French moustache, from Old Italian mustaccio, from Middle Greek moustaki, diminutive of Greek mystak-, mystax upper lip, mustache

Date: 1585

1 : the hair growing on the human upper lip; especially : such hair grown and often trimmed in a particular style
2 : hair or bristles about the mouth of a mammal

— mus·tached also mous·tached adjective