primarycontroller
nounUK /ˈpraɪməri kənˈtrəʊlə/
US /ˈpraɪmɛri kənˈtroʊlər/
The main person or thing that makes something work or gives the orders.
The primary controller of the toy robot makes it move and turn.
RELATED WORDS
OTHER MEANINGS
2. The first or default game controller connected to a console.
Player one always uses the primary controller.
3. The main device that manages other connected devices in a system.
The primary controller sends signals to all the smaller sensors.
4. The leading person in charge of a group or activity.
She is the primary controller of the school's science club.