“+ noun
Etymology: New Latin, from pleur- + pneumonia
1. : inflammation of the pleura and lungs : pleurisy complicated by pneumonia ; specifically : a predominantly pulmonary form of shipping fever of horses
2. : an acute febrile and often fatal inflammation of the lungs of cattle, sheep, and related animals resulting from infection by microorganisms of the family Mycoplasmataceae — see contagious bovine pleuropneumonia