Definition of pipistrelle
: any of a genus (Pipistrellus of the family Vespertilionidae) of bats typically appearing in early evening and exhibiting erratic flight; especially : one (P. pipistrellus) of Eurasia and northern Africa
Learn More about pipistrelle
Britannica.com: Encyclopedia article about pipistrelle
Seen and Heard
What made you want to look up pipistrelle? Please tell us where you read or heard it (including the quote, if possible).