ethmoidal cell

n.

Any of the cavities in the ethmoid bone that are filled with air and that communicate with the nasal cavity.

Words nearby ethmoidal cell

ethmo-, ethmoid, ethmoid bone, ethmoid infundibulum, ethmoidal artery, ethmoidal cell, ethmoidal crest, ethmoidal foramen, ethmoidal labyrinth, ethmoidal sinus, ethmoidal vein