Hub

usgb/hʌb/
noun

The central part of a wheel, where the spokes join.

The spokes on a bicycle wheel connect to the hub.
Visual representation of "hub" - The central part of a wheel, where the spokes join

Often appears as...

  • wheel hub
  • hub assembly

Usage tips

Technical

Definition 1 of 3
Visual representation of "hub"
LampPro Tip 1/2

Vehicle Mechanics

Understanding 'hub' in mechanics shows where forces are transferred in wheels.

Illustration for Vehicle Mechanics
During repairs, the mechanic focused on the hub.
LampPro Tip 2/2

Physical Center

'Hub' often suggests the central role of an object within a system.

Illustration for Physical Center
The carousel hub supports the entire rotation.
Visual representation of the word "Hub"

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