mustachio noun. [mǝ'stɑ:ʃɪǝʊ, -ʃǝʊ] Now chiefly arch. & joc. Also moustachio, mustacho, mustachoe. Pl. -os. M16.
[(Spanish mostacho from) Italian mostaccio (cf. medieval Latin mustacia) based ult. on Greek mustax, mustak- upper lip, moustache.]
1. A moustache, now esp. a large one. M16.

2. In pl. Hairs or bristles around the mouth of an animal; a cat's whiskers. Also, the awn or bristles of certain grasses; = BEARD noun 3. L16-L18.

■ mustachioed, moustachioed adjective having a (large) moustache E19.

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