<p><strong>Noun</strong></p><ul><li>Tuxedos.</li><li>Also called dinner jacket.</li><li>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.</li><li>The complete semiformal outfit, including this jacket, dark trousers (often with silk stripes down the sides), a bow tie, and usually a cummerbund.</li></ul>