hub
//hʌb//
Noun
hubSingular
hubsPlural
1
The central part of a wheel, rotating on or with the axle, and from which the spokes radiate.
The spokes of the bicycle wheel connect to the hub.
2
A center of activity, interest, or importance; a focal point.
Tokyo is a major hub for international business.
3
A device for connecting multiple computers or other devices in a network.
We connected all the office computers to a single hub.