Thesaurus: semilunar

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Definitions

1. a. Shaped like a half moon.
2. n. The semilunar bone.
3. adj. resembling the new moon in shape
4. 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. The semilunar bone.
5. Shaped like a half moon. Semilunar bone (Anat.), a bone of thecarpus; the lunar. See Lunar, n.-- Semilunar, or Sigmoid, valves (Anat.), the valves at thebeginning of the aorta and of the pulmonary artery which prevent theblood from flowing back into the ventricle.
6. s resembling the new moon in shape