lumbar vertebra lumbar vein • lumbayao · · · Info · Definitions · Characters · · lumbar vertebra · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae. Synonyms: lumbar vertebra. · · Noun Definition 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 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 v latin small letter v U+0076