claireproper nouncommon nounSyllable DecompositionclaireEtymologyexpandfrom the Latin clarus (clear).Definitions1. The washed ashes or calcined bones used in the production of cupels for refining.artsexpand2. A boiler for clarifying sugar.expand3. A cupel for refining gold.expand4. A clear seawater reservoir for oysters.expand5. A shallow basin in which oysters are refined.expandDes huîtres de claire.MasculineclairPluralclairesTranslationsenglish:oyster bedSee alsoclaires (v.)