tuner
🇺🇸
/ˈtuːnər/
🇬🇧
/ˈtjuːnə(r)/
A person who adjusts musical instruments to be in tune.
The tuner arrived early to make sure all the pianos were in perfect tune for the concert.
A control on a radio or TV that you adjust to get the right channel.
She turned the tuner until she found her favorite music station.
A device that picks up radio signals and sends them to an amplifier.
The new tuner made the radio signals clearer and the sound quality improved.