ETHMOID

ethmoid, ethmoid bone

(noun) one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity

Source: WordNet® 3.1

Etymology

Noun

ethmoid (plural ethmoids)

(anatomy, bone) A square bone at the root of the nose, forming part of the cranium, and having many perforations through which the olfactory nerves pass to the nose.

Synonyms: ethmoid bone, ethmoidal bone

Adjective

ethmoid (not comparable)

(anatomy, bone) Of or relating to the ethmoid bone.

Synonym: ethmoidal

Source: Wiktionary

Eth"moid, Eth*moid"al, a. Etym: [Gr. ethmoïde, ethmoïdal.] (Anat.) (a) Like a sieve; cribriform. (b) Pertaining to, or in the region of, the ethmoid bone. Ethmoid bone (Anat.), a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.

Eth"moid n. (Anat.)

Definition: The ethmoid bone.

Source: Webster’s Unabridged Dictionary 1913 Edition