• Definition for "nasal sinus"
    • any of the paired sinuses in the bones…
    • View More

nasal sinus definition

  • noun:
    • any of the paired sinuses in the bones regarding the face right beside the nasal hole that are lined with mucous membrane that's constant because of the lining associated with the nasal cavities
29 votes

How would you define nasal sinus?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!