ˈɛθmoʊɪd

Definitions

1. adjective

relating to or denoting the ethmoid bone or the ethmoid sinus

“The ethmoid bone is a delicate spongy bone in the skull.”

2. noun

the ethmoid bone or the ethmoid sinus

“An ethmoid fracture is a serious injury that can lead to vision problems.”

3. noun

any of the small air cells or cavities in the ethmoid bone

“The ethmoids are the small air cells in the nasal passages.”