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semilunar |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Lunar \Lu"nar\, n. 1. (Astron.) A lunar distance. 2. (Anat.) The middle bone of the proximal series of the carpus; -- called also {semilunar}, and {intermedium}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Semilunar \Sem`i*lu"nar\, n. (Anat.) The semilunar bone. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Semilunar \Sem`i*lu"nar\, a. Shaped like a half moon. {Semilunar bone} (Anat.), a bone of the carpus; the lunar. See {Lunar}, n. {Semilunar}, or {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. From WordNet r 1.6 [wn]: semilunar adj : resembling the new moon in shape [syn: {bicephalous}, {crescent(a)}, {crescent-shaped}, {lunate}]
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