Webster’s Revised Unabridged Dictionary · 1913
Cranium
Cra′ni·um (kr?′n?-?m), n.; pl. E. Craniums (-ŭmz), L. Crania (-ȧ). [NL., fr. Gr. κρανίον; akin to κάρα head.] The skull of an animal; especially, that part of the skull, either cartilaginous or bony, which immediately incloses the brain; the brain case or brainpan. See Skull.