Source : Webster's Revised Unabridged Dictionary (1913)

Pleuropneumonia \Pleu`ro*pneu*mo"ni*a\, n. [Pleuro- +
   pneumonia.] (Med.)
   Inflammation of the pleura and lungs; a combination of
   pleurisy and pneumonia, esp. a kind of contagions and fatal
   lung plague of cattle.

Source : WordNet®

pleuropneumonia
     n : pleurisy and pneumonia