SEMILUNAR

Pronunciation (US):

(GB):

 Dictionary entry overview: What does semilunar mean? 

• SEMILUNAR (adjective)
  The adjective SEMILUNAR has 1 sense:

1. resembling the new moon in shape

  Familiarity information: SEMILUNAR used as an adjective is very rare.

 Dictionary entry details 

• SEMILUNAR (adjective)

Sense 1

Meaning:

Resembling the new moon in shape

Synonyms:

crescent; crescent-shaped; lunate; semilunar

Similar:

rounded (curving and somewhat round in shape rather than jagged)

 Context examples 

Any of the four heart valves, including the two atrioventricular valves and the two semilunar valves, that regulate the flow of blood through the chambers of the heart.

(Cardiac Valve, NCI Thesaurus)

The backward flow of blood from the aorta into the left ventricle, owing to insufficiency of the aortic semilunar valve; it may be chronic or acute.

(Aortic Valve Regurgitation, NCI Thesaurus)