semilunar valve

English - English

Definition of semilunar valve in English English dictionary

Either of two valves, one located at the opening of the aorta and the other at the opening of the pulmonary artery, each consisting of three crescent-shaped cusps and serving to prevent blood from flowing back into the ventricles

a heart valve with half-moon-shaped cusps; prevents blood from flowing back into the heart

Hyphenation

se·mi·lu·nar valve