hub Definition

  • 1the central part of a wheel, rotating on or with the axle, and from which the spokes radiate
  • 2a center of activity or interest or commerce, especially a focal point of transportation

Using hub: Examples

Take a moment to familiarize yourself with how "hub" can be used in various situations through the following examples!

  • Example

    The hub of the wheel is connected to the axle.

  • Example

    New York City is a hub for international business.

  • Example

    The airport is a major transportation hub.

  • Example

    The city's downtown area is a hub of activity.

hub Synonyms and Antonyms

Phrases with hub

  • hub and spoke

    a system of air transportation in which local airports offer flights to a central airport where long-distance flights are available


    The airline operates a hub-and-spoke system out of its main airport.

  • a place that is considered to be the most important or central place in the world


    Boston was once called the hub of the universe because of its importance in trade and commerce.

  • a decorative cover for the wheel hub of a motor vehicle


    He lost one of his hubcaps while driving on the highway.

Origins of hub

from Middle English 'hubb', meaning 'the nave of a wheel'


Summary: hub in Brief

The term 'hub' [hสŒb] refers to the central part of a wheel, from which the spokes radiate. It also denotes a center of activity or interest, particularly in transportation, as in 'The airport is a major transportation hub.' Phrases like 'hub and spoke' describe transportation systems, while 'hub cap' refers to a decorative cover for a wheel hub.