- something shaped like a narrow crescent, as the small, pale area at the base of the fingernail.
Also lu·nule [loo-nyool] /ˈlu nyul/.
Origin of lunula
1565–75; < Latin lūnula, equivalent to lūn(a) moon + -ula -ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lunule
Lunule: An impressed area just below the beaks of bivalve shells.
The lunule is large and ribbed; the teeth are small; the color is pure white, with a light straw-tinted epidermis.
There is no lunule, but a large external ligament is very prominent just back of the beaks.
Legs deep rufous; antenn black; the club beneath and lunule round the eye straw-coloured.Zoological Illustrations, Volume I
The lateral teeth are the stronger, and the lunule is upon the right valve only.
- the white crescent-shaped area at the base of the human fingernailNontechnical name: half-moon
C16: from Latin: small moon, from lūna
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
- A small crescent-shaped structure or marking, especially the proximal region at the base of a fingernail that resembles a half-moon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.