Source : Webster's Revised Unabridged Dictionary (1913)

Squamosal \Squa*mo"sal\, a. (Anat.)
   (a) Scalelike; squamous; as, the squamosal bone.
   (b) Of or pertaining to the squamosal bone. -- n. The
       squamous part of the temporal bone, or a bone
       correspondending to it, under {Temporal}.