tuner
Pronunciation:
/ˈtjuː.nɚ/noun
Definitions
A person who tunes a piano or organ.
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.