inferior labial vein inferior labial artery • inferiorly · · · Info · Definitions · Synonyms · Characters · · inferior labial vein · · Text Common · · Latin · · Scripts 20 · · Length 7 · · Syllables Definitions · · · (noun) a tributary of the facial vein that drains the lower lip. Synonyms: inferior labial vein, vena labialis inferior. · · Noun Definition 1 Synonyms · · · vena labialis inferior · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 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 r latin small letter r U+0072 v latin small letter v U+0076