资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vespertilio \Ves`per*til"i*o\, n. [L., a bat.] (Zo["o]l.)
   A genus of bats including some of the common small
   insectivorous species of North America and Europe.

资料来源 : WordNet®

Vespertilio
     n : a genus of Vespertilionidae [syn: {genus Vespertilio}]