Synonym for meningitis ... <microbiology, neurology> Inflammation of the meninges. When it affects the dura mater, the disease is termed pachymeningitis, when the arachnoid and pia mater are involved, it is called leptomeningitis or meningitis proper. ... See also: aseptic meningitis. ... Origin: Gr. Meninx = membrane ... (21 Jun 1999) ... Found on http://www.encyclo.co.uk/local/20973