- shaped like a half-moon; crescent.
Origin of semilunar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for semilunar
Inner cortical shell lentelliptical, one and a half times as long as broad, with smooth surface and four semilunar gates.
Cut open the aorta, and notice the form of the semilunar valves.
The openings from the ventricles into these vessels are guarded by the semilunar valves.
Harris recommends the injection of alcohol into the semilunar ganglion.Manual of Surgery
Alexis Thomson and Alexander Miles
The openings of the arteries behind the semilunar valves may be very small.Arteriosclerosis and Hypertension:
Louis Marshall Warfield
- 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
- 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.