The Collaborative International Dictionary of English v.0.48:
no-hitter \no-hitter\ n. (Baseball) A game in which a pitcher allows the opposing team no hits. Syn: no-hit game. [WordNet 1.5]WordNet (r) 3.0 (2006):
no-hitter n 1: a game in which a pitcher allows the opposing team no hits [syn: no-hit game, no-hitter]