mustache
noun
mus·tache
| \ ˈmə-ˌstash
, (ˌ)mə-ˈstash
\
, (ˌ)mə-ˈstash
\
variants:
or less commonly moustache
Definition of mustache
1
: the hair growing on the human upper lip
especially
: such hair grown and often trimmed in a particular style
his long mustache combed and waxed — Henry Petroski
2
: hair or bristles about the mouth of a mammal