Sem`i*lu"nar (?), a.

Shaped like a half moon.

Semilunar bone Anat., a bone of the carpus; the lunar. See Lunar, n. -- Semilunar, ∨ Sigmoid, valves Anat., the valves at the beginning of the aorta and of the pulmonary artery which prevent the blood from flowing back into the ventricle.


© Webster 1913.

Sem`i*lu"nar, n. Anat.

The semilunar bone.


© Webster 1913.

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