From Longman Dictionary of Contemporary Englishtuxedotux‧e‧do /tʌkˈsiːdəʊ $ -doʊ/ (also tux /tʌks/ informal) noun (plural tuxedos) [countable] 1 DCCa man’s jacket that is usually black, worn on formal occasions2 DCCa man’s suit that includes this type of jacket
Examples from the Corpus
tuxedo• She draws a man in a tuxedo, places him at an angle on the page.• I mean by that a tuxedo, as I think you will probably know it.• And tuxedos are definitely not required.• Then a few days later we had opening night, and I was in my first tuxedo.• Then he reaches into the pocket of his tuxedo and produces his type-written acceptance speech.• He wore a pair of grey shoes, baggy white trousers and what appeared to be a red tuxedo.• They are in their tuxedos and ball gowns.• What do you have to do other than see if your tuxedo still fits?Origin tuxedo (1800-1900) Tuxedo Park, town in New York State 