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