Definition of rebroadcast
verb (past and past participle rebroadcast)
[with object] broadcast or relay (a programme or signal) again: the documentary will be rebroadcast on Saturday the radio dial is jammed with signals caught and rebroadcast by repeater antennas
noun
a repeated or relayed broadcast: unless it is a rebroadcast, the teacher will only have a very general idea of what the programme is about