repeater

:  one that repeats: such asa :  one who relates or recitesb :  a watch or clock with a striking mechanism that upon pressure of a spring will indicate the time in hours or quarters and sometimes minutesc :  a firearm having a magazine that holds a number of cartridges loaded one at a time into the chamber by the action of the pieced :  a habitual violator of the lawse :  one who votes illegally by casting more than one ballot in an electionf :  a student enrolled in a class or course for a second or subsequent timeg :  a device for receiving communication signals and delivering corresponding amplified ones