meningioma meningina • meningism · · · Info · Definitions · Characters · · meningioma · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant. · · Noun Definition 1 Characters · · a latin small letter a U+0061 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 o latin small letter o U+006F