hub

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noun \ ˈhəb \

Definition of hub

1 :the central part of a circular object (such as a wheel or propeller)
  • spokes attached to the hub of the wheel
2 a :a center of activity :focal point
  • The island is a major tourist hub.
b :an airport or city through which an airline routes most of its traffic
c :a central device that connects multiple computers on a single network (see 1network 3b)
3 :a steel punch from which a working die (see 2die 3a) for a coin or medal is made

Examples of hub in a Sentence

  1. the hub of the city

  2. She was at the hub of all the activity.

  3. All of the airline's coast-to-coast flights pass through its hub.

  4. The spokes attach to the hub of the wheel.

Recent Examples of hub from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hub.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of hub

probably alteration of 2hob


HUB Defined for English Language Learners

hub

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noun

Definition of hub for English Language Learners

  • : the central and most active part or place

  • : the airport or the city through which an airline sends most of its flights

  • : the center of a wheel, propeller, fan, etc.


HUB Defined for Kids

hub

play
noun \ ˈhəb \

Definition of hub for Students

1 :the center of a wheel, propeller, or fan
2 :a center of activity
  • The port is the island's hub.

Medical Dictionary

hub

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noun \ ˈhəb \

medical Definition of hub

:the enlarged base by which a hollow needle may be attached to a device (as a syringe)


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