ethmoid

• POS: Adjective, Noun
• HYPHEN: eth=moid

CIDE DICTIONARY

ethmoid, a. [Gr. like a sieve; sieve + from: cf. F. ethmoïde, ethmoïdal.].

 Like a sieve; cribriform.  [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.

ethmoid, n. 

 The ethmoid bone.  [1913 Webster]

OXFORD DICTIONARY

ethmoid, adj. sievelike.

Idiom

ethmoid bone a square bone at the root of the nose, with many perforations through which the olfactory nerves pass to the nose.

Derivative

ethmoidal adj.

Etymology

Gk ethmoeides f. ethmos sieve