1) Craniometric point 
The crotaphion refers to two points on the skull at the tips of the greater wing of sphenoid bone. It is near the pterion. ...
The tip of the greater wing of the sphenoid bone; a point in craniometry. ... Origin: G. Krotaphos, the temple of the head ... (05 Mar 2000) ... 
Type: Term Pronunciation: krō-taf′ē-on Definitions: 1. The tip of the greater wing of the sphenoid bone; a point in craniometry.
[n] - the tip of the greater wing of the sphenoid bone
noun the tip of the greater wing of the sphenoid bone