Noun
two games instead of one (especially in baseball when the same two teams play two games on the same day)
Source: WordNetIn that twin bill versus the Rockets, played after the Herald went to press, the Lions were seeking to nail down their first conference crown in 29 years (since 1989). Source: Internet
Modoc’s Braves split a twin bill with Fall River April 15, losing a tight one 9-8 and winning another nail biter 6-4. Source: Internet