meninges meningeal • meningic · · · Info · Definitions · Synonyms · Characters · · meninges · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a membrane (one of 3) that envelops the brain and spinal cord. Synonyms: meninx. · · Noun Definition 1 Synonyms · · · meninx · · Synonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073