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Webster 1913 Edition


Semilunar

Semˊi-lu′nar

,
Adj.
Shaped like a half moon.
Semilunar bone
(Anat.)
,
a bone of the carpus; the lunar. See
Lunar
,
Noun.
Semilunar valves
, 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.

Semˊi-lu′nar

,
Noun.
(Anat.)
The semilunar bone.

Webster 1828 Edition


Semilunar

SEMILU'NAR

,
Adj.
[L. semi, and luna, moon.] Resembling in form a half moon.

Definition 2024


semilunar

semilunar

English

Adjective

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  1. Shaped like a half-moon; crescent-shaped.

Noun

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  1. (anatomy) The lunate bone, or semilunar bone.

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