Vespertilio

·noun A genus of bats including some of the common small insectivorous species of North America and Europe.

vespertilio
vespertīlĭo, ōnis, m. [vesper], a bat , Plin. 10, 61, 81, § 168; 11, 37, 62, § 164; 29, 4, 26, § 8...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.