Definition of "moustache"
A growth of facial hair between the nose and the upper lip.
Quotations
“A tight little craft,” was Austin’s invariable comment on the matron; […]. ¶ Near her wandered her husband, orientally bland, invariably affable, and from time to time squinting sideways, as usual, in the ever-renewed expectation that he might catch a glimpse of his stiff, retroussé moustache.
1907 August, Robert W[illiam] Chambers, chapter IX, in The Younger Set, New York, N.Y.: D. Appleton & Company