Webster's Revised Unabridged Dictionary · 1913

Ethmoid

Ethmoid , adjective

[Greek {not transcribed} like a sieve; {not transcribed} sieve + {not transcribed} from: compare French ethmoide, ethmoidal.]

(a)
(Anatomy) Like a sieve; cribriform.
(b)
(Anatomy) Pertaining to, or in the region of, the ethmoid bone.
Collocations (1)
Ethmoid bone (Anatomy) , a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.

Also: Ethmoidal

Ethmoid , noun

(Anatomy) The ethmoid bone.