Definition of notch-eared bat in US English:

notch-eared bat

noun

  • A small bat of southern Europe, North Africa, and south-west Asia, Myotis emarginatus (family Vespertilionidae), distinguished by a deep notch in the hind edge of the ear; also called Geoffroy's bat.

Origin

Mid 19th century; earliest use found in Edward Blyth (1810–1873), zoologist.