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semilunar

[sem-ee-loo-ner, sem-ahy-] /ˌsɛm iˈlu nər, ˌsɛm aɪ-/
adjective
1.
shaped like a half-moon; crescent.
Origin
1590-1600
1590-1600; semi- + lunar
Related forms
presemilunar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for semilunar
  • Its orifice is guarded by the aortic semilunar valves.
  • If the intestine has been inflated and dried, the lips are of a semilunar shape.
  • The valve between the left ventricle and the aorta is the aortic semilunar valve.
  • Meniscectomy, or excision of semilunar cartilage in a single knee.
  • Two types of valves of the heart are the atrioventricular valves and semilunar valves.
British Dictionary definitions for semilunar

semilunar

/ˌsɛmɪˈluːnə/
adjective
1.
shaped like a crescent or half-moon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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semilunar in Medicine

semilunar sem·i·lu·nar (sěm'ē-lōō'nər, sěm'ī-) or sem·i·lu·nate (-lōō'nāt')
adj.
Shaped like a half-moon; crescent-shaped; lunar.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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