cha·ton | \ (ˈ)sha¦tōⁿ \
plural chatons\ -ōⁿ(z) \
Definition of chaton
1 : the head of a ring in which a stone is set or on which a device is engraved
2 : the stone set in a chaton
3 or chaton foil : a coating (as a foil or lacquer) applied to the back of a cheap gemstone to give it greater brilliancy
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