Meningoencephalitis (IPA: / ˌ m ɛ n ɪ n ˈ go ɛ n ˌ s ɛ f əˈ la ɪ t ɪ s/ , from Greek : meninges- membranes; enkephalos brain; and -itis inflammation) is a medical condition that simultaneously resembles both meningitis , which is an infection or inflammation of