/mez'euh thee'lee oh"meuh, mes'-, mee"zeuh-, -seuh-/ , n. , pl. mesotheliomas, mesotheliomata /-meuh teuh/ . Pathol.
a malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos.
[ 1905-10; MESOTHELI(UM) + -OMA ]