Definition from Wiktionary, the free dictionary
undercard (plural undercards)
- A list of minor or supporting contests printed on the same bill as the main event (primarily fighting or racing, such as the main fight at a boxing match or wrestling, horse or car racing, etc.), occurring before or after the main event.
- The events so listed.
- (poker) A card lower than another given card or pair.
- The eight on the turn was another undercard to her pair of nines
- (poker): overcard
- (supporting contest): preliminary card