craniometer

from WordNet (r) 3.0 (2006)

craniometer
    n 1: an instrument for measuring skull sizes

from The Collaborative International Dictionary of English v.0.48

Craniometer \Cra`ni*om"e*ter\ (kr?`n?-?m"?-t?r), n. [Cranium +
   -meter.]
   An instrument for measuring the size of skulls.
   [1913 Webster] Craniometric