Definition of cranium noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈkreɪniəm//
; NAmE NAmE//ˈkreɪniəm//
(pl. craniums, crania
BrE BrE//ˈkreɪniə//
; NAmE NAmE//ˈkreɪniə//
(anatomy) Skeleton and muscles
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the bone structure that forms the head and surrounds and protects the brain synonym skull See related entries: Skeleton and muscles Word Originlate Middle English: via medieval Latin from Greek kranion ‘skull’.
See the Oxford Advanced American Dictionary entry: cranium