a small disk of glass used as an ornament in a stained-glass window.
Jewelry. a flat bead, often of rock crystal or onyx, used in a necklace as a spacer between contrasting stones.
Origin of rondelle
From French, dating back to 1830–40; see origin at rondel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Historical Examples of rondelle
Rondelle, ron-del′, n. anything round: one of the successive crusts formed on molten metal when cooling, a rosette.