noun🔗ShareMeninges(chiefly plural) The three membranes that envelop the brain and spinal cord."Meningitis is an infection that inflames the meninges, the membranes surrounding the brain and spinal cord. "La meningitis es una infección que inflama las meninges, las membranas que rodean el cerebro y la médula espinal.anatomymedicinebodyorganbiologyChat with AIVocabulary GamePractice Reading