noun🔗Shareالسحايا(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. "التهاب السحايا هو عدوى تلتهب السحايا، الأغشية المحيطة بالدماغ والحبل الشوكي.anatomymedicinebodyorganbiologyChat with AIVocabulary GamePractice Reading