chaton

[sha-tawn]
noun, plural cha·tons [sha-tawn] /ʃaˈtɔ̃/.
  1. Also called chaton foil. an imitation gem of paste that has its pavilion backed with metal foil or silver to reflect light.
  2. a bezel in a ring.

Origin of chaton

1570–80; < French, Old French chastun gem setting < Germanic; compare Old High German kasto container
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of chaton