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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

7 words match “SEMILUNAR”

SEMILUNAR a. 2 definitions
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.
SEMILUNARY a.
Semilunar.
LUNAR n.
The middle bone of the proximal series of the carpus; -- called also semilunar, and intermedium.
PULSE n.
.), the wave of increased pressure started by the ventricular systole, radiating from the semilunar valves over the arterial system, and gradually disappearing in the smaller branches. the pulse wave travels over the arterial system at the rate of about 29.5 feet in a second. H. N. Martin. -- To feel one's pulse. (a) T…
SEMILUNATE a.
Semilunar.
SIGMOID; SIGMOIDAL a.
it terminates in the rectum. See Illust. under Digestive. -- Sigmoid valves. (Anat.) See Semilunar valves, under Semilunar.
VALVE n.
on, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves.