- a person who tunes musical instruments: a piano tuner
- the part of a radio or TV receiver that detects signals; esp., a separate unit of a high-fidelity system
- One that tunes: a piano tuner.
- A device for tuning, especially an electronic circuit or device used to select signals at a specific frequency for amplification and conversion to video, sound, or both.
- A person who tunes a piano.
- A device, electronic or mechanical, that helps a person tune a musical instrument by showing the deviation of the played pitch from the desired pitch.
- On a musical instrument, a peg or mechanical device that changes the tension, and hence pitch, of a string.
- The component of an audio system that receives radio broadcasts.
- (entertainment industry) A musical.
to tune + -er
tuner - Computer Definition
An electronic circuit that locks on to a selected carrier frequency (station, channel). Found in every AM/FM radio, TV, cellphone and wireless receiver, the tuner filters out all but the desired frequency and passes it on to other stages in the device to extract the audio, video or data. See TV tuner.