1.
[syn: ethmoid, ethmoid bone]
The Collaborative International Dictionary of English v.0.48:
Ethmoid \Eth"moid\, Ethmoidal \Eth*moid"al\, a. [Gr. ? like a
sieve; ? sieve + ? from: cf. F. ethmo["i]de, ethmo["i]dal.]
(Anat.)
(a) Like a sieve; cribriform.
(b) Pertaining to, or in the region of, the ethmoid bone.
[1913 Webster]
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.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Ethmoid \Eth"moid\n. (Anat.)
The ethmoid bone.
[1913 Webster]
WordNet (r) 3.0 (2006):
ethmoid
n 1: 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 [syn: ethmoid, ethmoid bone]