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 style2: hair or bristles about the mouth of a mammal

— mus·tached also mous·tached adjective