ethmoid

American  

[eth-moid] / ˈɛθ mɔɪd /

adjective

1. Also ethmoidal of or relating to a bone at the base of the cranium and the root of the nose, containing numerous perforations for the filaments of the olfactory nerve.

---

noun

1. the ethmoid bone.

ethmoid British  

/ ˈɛθmɔɪd /

adjective

1. denoting or relating to a bone of the skull that forms part of the eye socket and the nasal cavity

---

noun

1. the ethmoid bone

Other Word Forms

• postethmoid adjective

Etymology

Origin of ethmoid

1735–45; < Greek ēthmoeidḗs sievelike; -oid

Example Sentences

That fingertip is pointing to the ethmoid sinuses – a network of five to 10 small chambers that run horizontally front-to-back between the bridge of your nose and your eye sockets.

From US News

The needle had not entered the brain, but the ethmoid was very much injured.

From Project Gutenberg

In specimens from the Caribbean lowlands the nasals are long, wide, and narrowly separated from the ethmoid; the anterior edge is just posterior to the nostril.

From Project Gutenberg

The ethmoid is large and has a flange laterally.

From Project Gutenberg

His description of the lachrymal passages in the eye was a marked advance on those of his predecessors, and he also gave a detailed account of the ethmoid bone and its cells in the nose.

From Project Gutenberg