Tuxedo
A tuxedo is an ensemble (or outfit) of clothing which includes a white dress shirt, a bow tie, dress pants, a tuxedo suit jacket (sometimes called a dinner jacket), leather dress shoes, and sometimes a vest or cummerbund, top hat and gloves.  In European countries, this outfit is called black tie. Many men wear this outfit in Western countries on formal occasions like a marriage ceremony or a fancy party or dance.