A fortune cookie is a sweet, crisp cake which contains a piece of paper which is supposed to say what will happen to you in the future. Fortune cookies are often served in Chinese restaurants.
fortune cookie in British English
(ˈfɔːtʃuːn ˈkʊkɪ)
noun
US
a cookie eaten at the end of a Chinese meal which contains a small piece of paper with a prophecy written on it
fortune cookie in American English
US
a hollow Chinese cookie with a slip of paper inside giving a message, advice, a prediction, etc.