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chapel de fer

American  
[sha-pel duh fair] / ʃæˈpɛl də ˈfɛər /

noun

plural

chapels de fer

  1. a medieval open helmet, often having a broad brim for deflecting blows from above.

Etymology

Origin of chapel de fer

1895–1900; < Old French: hat of iron; see chapeau, ferrous

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.