noun see: vespertilian Date: 1781 any of a genus ( Pipistrellus of the family Vespertilionidae) of bats typically appearing in early evening and exhibiting erratic flight
PIPISTRELLE
Meaning of PIPISTRELLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012