ETHMOIDAL SINUS

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A sinus of the meatuses of the nasal cavity (behind the bridge of the nose)

Synonyms:

ethmoid sinus; ethmoidal sinus; sinus ethmoidales

Classified under:

Nouns denoting body parts

Hypernyms ("ethmoidal sinus" is a kind of...):

sinus (any of various air-filled cavities especially in the bones of the skull)

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