tricuspid valve

noun

Anatomy.

1. the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.

tricuspid valve

1. A valve of the heart, usually having three cusps, that is located between the right atrium and right ventricle. The tricuspid valve prevents the backflow of blood to the right atrium.

Word History and Origins

Origin of tricuspid valve¹

First recorded in 1660–70