The Collaborative International Dictionary of English v.0.48:
Acanthurus \Acanthurus\ n. 1. type genus of the family Acanthuridae; doctorfishes. Syn: genus Acanthurus [WordNet 1.5]WordNet (r) 3.0 (2006):
Acanthurus n 1: type genus of the Acanthuridae: doctorfishes [syn: Acanthurus, genus Acanthurus]