Wiktionary
cor bovinum
n. Massive hypertrophy of the left ventricle of the heart due to volume overload.
Wikipedia
Cor bovinum
Cor bovinum refers to a massive hypertrophy of the left ventricle of the heart due to volume overload, usually in earlier times in the context of tertiary syphilis but currently more often due to chronic aortic regurgitation, hypertensive and ischaemic heart disease.