centralengine

noun
UK /ˈsɛntrəl ˈɛndʒɪn/
US /ˈsɛntrəl ˈɛndʒɪn/

The main engine that makes a big machine or system work.

The centralengine of the train powers all the other cars.


OTHER MEANINGS

2. The most important part of a computer system that controls everything else.

The centralengine of the game console handles all the graphics.

3. The main group or team that drives a project forward.

The research team acted as the centralengine of the whole mission.

4. A key source of energy or power for a whole network.

The solar farm is the centralengine for the town's electricity.