ethmoid ethmoid

Definition(s):

  • (n) one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity

Usage(s):

  • These bony caverns are called the frontal, maxillary or antrum, ethmoid and sphenoid sinuses.
Word of the Day
fathom fathom
/ˈfæ ðəm /