ˈkrānēəm noun
( plural craniums -mz ; or cra·nia -nēə)
Etymology: Medieval Latin, from Greek kranion; akin to Greek kara head — more at cerebral
1. : skull ; specifically : the part of the skull that encloses the brain and is composed of continuous cartilage in the embryos of all craniate vertebrates and in certain lower vertebrates or of distinct bones more or less fused together in adult higher vertebrates : calvarium , braincase — see chondrocranium
2.
[New Latin, from Medieval Latin]
: epicranium 1