Pterion
The Century Dictionary and Cyclopedia
noun.
In
craniometry
, the region where the frontal, squamosal, parietal, and sphenoid bones meet or approach one another.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The point corresponding with the
posterior
end of the sphenoparietal suture; known as the
weakest
part of the
skull
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the craniometric point in the region of the sphenoid fontanelle