- Also eth·moi·dal. of or relating to a bone at the base of the cranium and the root of the nose, containing numerous perforations for the filaments of the olfactory nerve.
- the ethmoid bone.
Origin of ethmoid
1735–45; < Greek ēthmoeidḗs sievelike; see -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ethmoid
The ethmoid region, if diseased, is next treated (see p. 615).
It not uncommonly ceases to secrete after the ethmoid has been cleared.
The ethmoid is large and completely ossified; the margins are smooth.Neotropical Hylid Frogs, Genus Smilisca
William E. Duellman
The needle had not entered the brain, but the ethmoid was very much injured.A Treatise on Sheep:
In most types however it becomes more closely united with the ethmoid region and the accessory parts belonging to it.The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
- denoting or relating to a bone of the skull that forms part of the eye socket and the nasal cavity
- the ethmoid bone
C18: from Greek ēthmoeidēs like a sieve, from ēthmos sieve, from ēthein to sift
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
- Resembling a sieve.
- The ethmoid bone.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.