vespertilian

adjective
ves·​per·​til·​ian | \ ˌve-spər-ˈti-lē-ən How to pronounce vespertilian (audio) , -ˈtil-yən\

Definition of vespertilian

: of, relating to, or resembling a bat flaunts vespertilian wing and cloven hoof— Robert Graves

First Known Use of vespertilian

1874, in the meaning defined above

History and Etymology for vespertilian

Latin vespertilio bat, from vesper

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The first known use of vespertilian was in 1874

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