hostmachine
nounUK /ˈhəʊst məˌʃiːn/
US /ˈhoʊst məˌʃiːn/
A host machine is the main computer that runs other smaller computer programs or systems.
The teacher showed us the host machine that controls all the computers in the lab.
OTHER MEANINGS
2. In virtualization, the physical computer on which virtual machines run.
The host machine has enough memory to run three virtual machines at once.
3. A computer that provides services or resources to other computers on a network.
Our files are stored on the host machine in the server room.
4. The primary device that controls connected peripherals or embedded systems.
The robot's host machine sends commands to its arm and sensors.