if you regularly listen to three radio stations over the course of a week, then you cume three stations, and thos three stations would consider you part of their cume
"short for "cumulative audience", it's  the total number of listeners a radio station has over the course of an average week
"if you regularly listen to three radio stations over the course of a week, then you cume three stations, and thos three stations would consider you part of their cume" What is the definition of "cume"?