Collins COBUILD Advanced Learner's English Dictionary - retune

(retunes, retuning, retuned) To retune a piece of equipment such as a radio, television, or video means to adjust it so that it receives a different channel, or so that it receives the same channel on a different frequency. ...this means that listeners in cars should not have to retune as they drive across the country. ...plans to retune VCRs to allow viewers to receive the signal. VERB: V, V n