Webster's Revised Unabridged Dictionary · 1913

Parethmoid

Parethmoid , adjective

[Prefix para- + ethmoid.]

(Anatomy) Near or beside the ethmoid bone or cartilage; -- applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals.
(Anatomy) A parethmoid bone.