ethmoid definition by Wordo

Adjective

Of

or

pertaining

to

the

ethmoid bone

.

Noun

A

light

spongy

cubical

bone

at

the

root

of

the

nose

,

forming

much

of

the

walls

of

the

nasal cavity

and

part

of

those

of

the

orbits

and

having

many

perforations

through

which

the

olfactory nerves

pass

to

the

nose

.