1. a man’s formal evening suit, typically black with satin lapels

Examples

• He wore a black tuxedo to the wedding.
• The groom looked elegant in his tuxedo.
• All the men at the gala were required to wear tuxedos.
• She rented a tuxedo for the prom.
• The waiter was dressed in a crisp white shirt and black tuxedo.
• His tuxedo had a bow tie and cummerbund to match.