Hypertext Webster Gateway: "semilunar"
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) 1.7 (wn)
semilunar
adj : resembling the new moon in shape [syn: {bicephalous}, {crescent(a)},
{crescent-shaped}, {lunate}]
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