noun
cranium
KRAY-nee-uhm
noun
1
The bony part of the skull that encloses and protects the brain.
"The helmet is designed to protect the cranium in a fall."
How to Use Cranium
Learner’s notesIn plain EnglishThe part of the skull surrounding the brain — the more clinical word for skull.
Easily confused with
Word Forms
craniums plural, crania plural
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The helmet is designed to protect the _____ in a fall.
Etymology
From Medieval Latin cranium ("skull"), from Ancient Greek kranion.