IPA: //ˈmʌstæʃ//
KK: /ˈmʌstæʃ/
The hair that grows on the upper lip of a person, often styled or groomed in a specific way.
He decided to grow a mustache for the winter.
Mustache → The word 'mustache' comes from the Old French 'moustache', which in turn derives from the Italian 'mostaccio', and ultimately from the Latin 'mānsuētīnus' (meaning of the upper lip). The term refers specifically to the hair that grows on the upper lip.
Think of the Italian word 'mostaccio' which relates to hair on the upper lip, helping you remember that a mustache is the hair that grows there.