cam·eo 
/ˈkæmiˌoʊ/ noun
plural cam·eos /ˈkæmiˌoʊ/ noun [count] 1 : a small role in a movie, play, etc., that is performed by a well-known actor
▪ He has a brief cameo in the film. ▪ a cameo role 2 : a piece of jewelry that has a carved design shown against a background of a different color — see color picture
▪ He has a brief cameo in the film. ▪ a cameo role
