repeater

noun Date: 1598 one that repeats: as a. one who relates or recites b. a watch or clock with a striking mechanism that upon pressure of a spring will indicate the time in hours or quarters and sometimes minutes c. a firearm having a magazine that holds a number of cartridges loaded one at a time into the chamber by the action of the piece d. a habitual violator of the laws e. one who votes illegally by casting more than one ballot in an election f. a student enrolled in a class or course for a second or subsequent time g. a device for receiving communication signals and delivering corresponding amplified ones