Med. [f. Gr. κεφαλή + -ITIS.] Inflammation of the brain and its membranes; all inflammatory conditions of the central nervous system (Syd. Soc. Lex.).
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1811. Hooper, Med. Dict.
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1888. F. Vachet, Infanticide, 4. Deaths ascribed to convulsions, cephalitis, meningitis.