noun
moustache
muh-STAHSH
noun
1
Hair grown on the upper lip.
"He grew a thick moustache for the competition."
"Her grandfather has worn the same neat moustache for decades."
How to Use Moustache
Learner’s notesIn plain EnglishFacial hair above the mouth.
UK vs US
Spelled "moustache" in British English; American English commonly uses "mustache."
Common pairings
grow a moustache
thick moustache
trim a moustache
Word Forms
moustaches plural
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Etymology
From French moustache, tracing back through Italian and Byzantine Greek to an ancient word for "upper lip."