Vespertilionidae vespertilionid • Vespertilioninae · · · Info · Definitions · Characters · · Vespertilionidae · · Text Latin · · Script 16 · · Length Definitions · · · (noun) the majority of common bats of temperate regions of the world. Synonyms: family Vespertilionidae. · · Noun Definition 1 Characters · · V latin capital letter v U+0056 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074