noun🔗ShareHirnhautA membrane, especially one of the three membranes enclosing the brain and spinal cord in vertebrates"The doctor explained that meningitis is an infection that inflames the meninx, the protective membrane around the brain and spinal cord. "Der Arzt erklärte, dass Meningitis eine Infektion ist, die die Hirnhaut, die Schutzmembran um Gehirn und Rückenmark, entzündet.anatomymedicineorganbiologybodyChat with AIVocabulary GamePractice Reading