lumbar pain lumbar nerve • lumbar plexus · · · Info · Definitions · Synonyms · Characters · · lumbar pain · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc. Synonyms: lumbago, lumbar pain. · · Noun Definition 1 Synonyms · · · lumbago · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075