noun
tuner
TYOO-nuh
noun
1
A person whose job is tuning pianos or other instruments.
"The piano tuner comes twice a year to keep the keys in pitch."
2
A device that helps a musician tune an instrument, or a component that picks up a radio signal.
"She clipped a small electronic tuner onto the guitar's headstock."
"The old stereo system had a separate tuner and amplifier."
How to Use Tuner
Learner’s notesIn plain EnglishEither the person or the gadget that gets an instrument, or a radio, into proper working pitch or frequency.
Word Forms
tuners plural, tuners plural
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The piano _____ comes twice a year to keep the keys in pitch.
Etymology
From "tune" plus the agent suffix "-er," meaning one who or that which tunes.