tuner

noun
1
a person who tunes musical instruments, especially pianos
کوک‌کننده, کوک‌گر, کوکنده
2
the part of a radio, television, etc. that you move in order to change the signal and receive the radio or television station that you want
تیونر
3
an electronic device that receives a radio signal and sends it to an amplifier so that it can be heard
تیونر, دستگاه تنظیم‌کننده فرکانس