cervellière

cer·vel·lière

 (sûr′vĕl-yâr′)
n.
A piece of armor consisting of a skullcap made of steel or leather.

[French cervelière, from Old French cervelire, from cervel, brain, head, from Latin cerebellum, diminutive of cerebrum, head; see ker-1 in the Appendix of Indo-European roots.]
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