'Sphenethmoid bone' definitions:

Definition of 'Sphenethmoid bone'

From: GCIDE
  • Sphenethmoid \Sphe*neth"moid\, a. [Sphenoid + ethmoid.] (Anat.) Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal. [1913 Webster]
  • Sphenethmoid bone (Anat.), a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone. [1913 Webster]