Semilunar Valve Definition
noun
Either of two crescent-shaped heart valves that keep blood from flowing back into the ventricles: one, a pulmonary valve at the junction of the right ventricle and pulmonary artery, the other, an aortic valve at the junction of the left ventricle and aorta.
Webster's New World
Find Similar Words
Find similar words to semilunar valve using the buttons below.