semilunar valve


nounAnatomy.
  1. either of two valves, one in the aorta and one in the pulmonary artery, consisting of a set of three crescent-shaped flaps of tissue and serving to prevent blood from flowing back into the heart after contraction.

Origin of semilunar valve

1
First recorded in 1710–20

Words Nearby semilunar valve

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How to use semilunar valve in a sentence

British Dictionary definitions for semilunar valve

semilunar valve

noun
  1. anatomy either of two crescent-shaped valves, one in the aorta and one in the pulmonary artery, that prevent regurgitation of blood into the heart

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