Search Result for "microtus": 
Wordnet 3.0

NOUN (1)

1. voles of the northern hemisphere;
[syn: Microtus, genus Microtus]

The Collaborative International Dictionary of English v.0.48:

Arvicola \Arvicola\ n. a genus of mice in some classifications considered synonymous with Microtus. Syn: genus Arvicola. [WordNet 1.5]
WordNet (r) 3.0 (2006):

Microtus n 1: voles of the northern hemisphere [syn: Microtus, genus Microtus]