semilunar valve(n = noun.body) - a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart;
is a kind of cardiac valve, heart valve
has particulars: aortic valve, pulmonary valve

aortic valve, atrioventricular valve, ball valve, bicuspid valve, blow valve, butterfly valve, cardiac valve, clack valve, clapper valve, escape valve, exhaust valve, foot valve, heart valve, ileocecal valve, intake valve, kingston valve, left atrioventricular valve, mitral valve, mitral valve prolapse, mitral valve stenosis, pilot valve, poppet valve, pulmonary valve, pyloric valve, rectifying valve, relief valve, right atrioventricular valve, safety valve, semilunar, semilunar bone, semilunar cartilage, shunt valve, slide valve, sluice valve, thermionic valve, throttle valve, tricuspid valve, valve, valve rocker