This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A mustache, especially a luxuriant one.

n. A mustache, especially a large or lush one.

n. A mustache.

n. Same as mustache.

n. a large bushy moustache (with hair growing sometimes down the sides of the mouth)

"He was a distinguished-looking man with a long, waxed mustachio."

moustache    mustache   

mustache   

pistachio   

reaping-hook    goulash    folk-music    forint    potoo    VCR    father    consarn    vice-palatine    pony-tail