meninx meninting • meniscal · · · Info · Definitions · Synonyms · Characters · · meninx · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a membrane (one of 3) that envelops the brain and spinal cord. Synonyms: meninges. · · Noun Definition 1 Synonyms · · · meninges · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E x latin small letter x U+0078