tux·e·do (t?k-s??d?)n. pl. tux·e·dos or tux·e·does 1. A dress jacket, usually black with satin or grosgrain lapels, worn for formal or semiformal occasions. Also called dinner jacket.2. A complete outfit including this jacket, trousers usually with a silken stripe down the side, a bow tie, and often a cummerbund.[Short for Tuxedo coat, after a country club at Tuxedo Park, a village of southeast New York.]tux·e?doed adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.tuxedo (t?k?si?d??) n, pl -dos (Clothing & Fashion) the usual US and Canadian name for dinner jacket Often shortened to: tux [C19: named after a country club in Tuxedo Park, New York]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014tux?e?do (t?k?si do?) n., pl. -dos. 1. Also called dinner jacket. a man’s jacket for semiformal evening dress, traditionally of black or dark blue color and characteristically having satin or grosgrain facing on the lapels. 2. the complete semiformal outfit, including this jacket, dark trousers, often with silk stripes down the sides, a bow tie, and usu. a cummerbund. [1885?90, Amer.; short for Tuxedo coat, after country club at Tuxedo Park, N.Y.] tux?e?doed, adj. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.tuxedoA men?s dinner jacket.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited