The Collaborative International Dictionary of English v.0.48:
Peromyscus \Peromyscus\ prop. n. A genus of New World wood mice. Syn: genus Peromyscus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Peromyscus n 1: New World wood mice [syn: Peromyscus, genus Peromyscus]