A mustachio is a large elaborate moustache. Curled mustachios, a magnificent mustachio, twirl the mustachios.
It is nearly always plural and always comic, since nobody has a modest one. The word came through Italian from Greek and is the same root as moustache itself.
1nounmustachioA large elaborate moustache.
“The colonel twirled the waxed ends of his mustachio.”
mustachio is a moustache.
Italian mustacchio comes through Greek, and is the same root as moustache.
Borrowed from the Italian - dialectal mustaccio (from Neapolitan -) or mustacchio, ultimately from Ancient Greek -.
Etymology from Wiktionary, CC BY-SA
Practised in A Song of Ice and Fire