One of the mysteries of the English language finally explained.
The left atrium and left ventricle of the mammalian or avian heart considered together, especially as the unit which receives oxygenated blood from the lungs and pumps it into the arterial system.
Late 18th century; earliest use found in The Gentleman's Magazine. After post-classical Latin cor sinistrum.
In this article we explore how to impress employers with a spot-on CV.