From Longman Dictionary of Contemporary EnglishRelated topics: Foodéclairé‧clair /ɪˈkleə, eɪ- $ ɪˈkler, eɪ-/ noun [countable]DFa long cake covered with chocolate and filled with creamExamples from the Corpuséclair• One of the fellows was paying for the éclair anyway.Originéclair(1800-1900)French“lightning”