Ethmoid bone Meaning, Definition & Usage

  1. noun 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
    ethmoid.

WordNet


Definitions
  1. (Anat.), a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.

Webster 1913