- of or relating to the bats of the subfamily Vespertilioninae, common in temperate regions and including most familiar species.
Origin of vespertilionine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of, relating to, or belonging to the Vespertilionidae, a family of common and widespread bats
C17: from Latin vespertīliō a bat, from vesper evening
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