Wordnet 3.0
NOUN (1)
1.
the scientific study of the skulls of various human races;
The Collaborative International Dictionary of English v.0.48:
Craniology \Cra`ni*ol"o*gy\ (-j?), n. [Cranium + -logy.]
The department of science (as of ethnology or arch[ae]ology)
which deals with the shape, size, proportions, indications,
etc., of skulls; the study of skulls.
[1913 Webster]
WordNet (r) 3.0 (2006):
craniology
n 1: the scientific study of the skulls of various human races
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "craniology":
anatomy, anthropography, anthropologist, anthropology,
anthropometry, behavioral science, craniometry, demography,
ethnography, ethnologist, ethnology, human ecology,
human geography, metoposcopy, phrenologist, phrenology,
physiognomy, psychology, science of man, sociologist, sociology