tuner
美 ['tunər] 
英 ['tjuːnə(r)] 
- n.(乐器的)调音者;(尤指)钢琴调音师
 - 网络调谐器;调音器;高频头
 
复数:tuners  
tuner
1.  | (乐器的)调音者,调弦者;(尤指)钢琴调音师a person who tunes musical instruments, especially pianos  | 
2.  | (收音机、电视机等的)调谐钮,调谐键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  | 
3.  | (接收无线电信号传输到放大器的)调谐器an electronic device that receives a radio signal and sends it to an amplifier so that it can be heard  |