channelselector

noun
UK /ˈtʃæn.əl sɪˌlek.tər/
US /ˈtʃæn.əl sɪˌlek.tɚ/

A button or tool that lets you pick which channel to watch on a TV.

Grandpa used the channelselector to find the cartoon show.


OTHER MEANINGS

2. A device or setting that chooses one path for a signal to travel.

The engineer adjusted the channelselector to test the radio signal.

3. A software control that lets a user switch between different chat or data channels.

Click the channelselector to move from the general chat to the help room.

4. A person whose job is to choose which programs a station will show.

The channelselector picked a movie for Friday night.