pulmonary vein

noun

Anatomy.

1. a vein conveying oxygenated blood from the lungs to the left atrium of the heart.

pulmonary vein

noun

1. any one of the four veins that convey oxygen-rich blood from the lungs to the heart

pulmonary vein

1. Any of the veins that carry blood with high levels of oxygen from the lungs to the left atrium of the heart.

Word History and Origins

Origin of pulmonary vein¹

First recorded in 1695–1705