Definify.com
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.