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 network entry 1 sense 3b)
3
: a steel punch from which a working die (see die entry 2 sense 3a) for a coin or medal is made
Examples of hub in a Sentence
the hub of the city
She was at the hub of all the activity.
All of the airline's coast-to-coast flights pass through its hub.
The spokes attach to the hub of the wheel.
Recent Examples on the Web
Check out the all new PLAY hub with puzzles, games and more!
—
Kimi Robinson,
USA Today,
23 June 2026
The new hub, unveiled by Charlotte Maines, Amazon’s VP of devices content and advertising, will now give that programming – including the latest content from MrBeast, Topper Guild, Celine Dept and 5-Minute Crafts.
—
Elsa Keslassy,
Variety,
22 June 2026
The world’s biggest finance firms and their bosses have flocked to the Gulf in recent years, attracted by a vast pool of sovereign wealth and ambitions to make regional cities into business and finance hubs.
—
Matthew Martin,
semafor.com,
22 June 2026
The hub, powered by Flowcode, is being framed as an interactive space existing across live and digital environments.
—
Jesse Whittock,
Deadline,
22 June 2026
See All Example Sentences for hub
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Kimi Robinson,
USA Today,
23 June 2026
The new hub, unveiled by Charlotte Maines, Amazon’s VP of devices content and advertising, will now give that programming – including the latest content from MrBeast, Topper Guild, Celine Dept and 5-Minute Crafts.
—
Elsa Keslassy,
Variety,
22 June 2026
The world’s biggest finance firms and their bosses have flocked to the Gulf in recent years, attracted by a vast pool of sovereign wealth and ambitions to make regional cities into business and finance hubs.
—
Matthew Martin,
semafor.com,
22 June 2026
The hub, powered by Flowcode, is being framed as an interactive space existing across live and digital environments.
—
Jesse Whittock,
Deadline,
22 June 2026
See All Example Sentences for hub
Cite this Entry
“Hub.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hub. Accessed 25 Jun. 2026.
Copy CitationKids Definition
hub
noun1
: the central part of a circular object (as a wheel)
2
: a center of activity
Medical Definition
hub
noun
: the enlarged base by which a hollow needle may be attached to a device (as a syringe)
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