spinal tap spinal puncture • spinal vein · · · Info · Definitions · Synonyms · Characters · · spinal tap · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes. Synonyms: lumbar puncture, spinal puncture, spinal tap. · · Noun Definition 1 Synonyms · · · lumbar puncture · · Synonym 1 spinal puncture · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074