Ethmoidal Sinus
nounverified·updated May 18, 2026
a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
Framework senses
- §1
- a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
- §1 · legacy_primary
- a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)DR-088 backfill from the noun definition column