Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Magicabracadabraab‧ra‧ca‧dab‧ra /ˌæbrəkəˈdæbrə/ interjection ROMa word you say when you do a magic trick, which is supposed to make it successfulOrigin abracadabra (1500-1600) Late Latin Greek ldoceonline.com