abortus fever /əˌbôrdəs ˈfēvər, əˌbɔrdəs ˈfivər
/ ▸ noun the most common form of undulant fever in humans. This disease is caused by the bacterium
Brucella abortus, which is also the chief cause of brucellosis in cattle
. – ORIGIN 1920s : from Latin abortus ‘miscarriage’.