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!
—
Brieanna J. Frank, USA Today, 20 Feb. 2026
Just five days later, nine European countries signed a deal to build a vast offshore wind power hub in the North Sea, the epicenter of the continent’s oil and gas industry.
—Laura Paddison, CNN Money, 19 Feb. 2026
During his visit to 180 Studios on The Strand, the king also toured exhibitions by his old friend Stella McCartney, Brand63Africa, and the King’s Foundation, as well as meeting London’s emerging designers at 180 Studios, a creative hub on The Strand.
—Tianwei Zhang, Footwear News, 19 Feb. 2026
Modi’s remarks came as India — one of the fastest-growing digital markets — seeks to leverage its experience in building large-scale digital public infrastructure and to present itself as a cost-effective hub for AI innovation.
—ABC News, 19 Feb. 2026
See All Example Sentences for hub
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Brieanna J. Frank, USA Today, 20 Feb. 2026
Just five days later, nine European countries signed a deal to build a vast offshore wind power hub in the North Sea, the epicenter of the continent’s oil and gas industry.
—Laura Paddison, CNN Money, 19 Feb. 2026
During his visit to 180 Studios on The Strand, the king also toured exhibitions by his old friend Stella McCartney, Brand63Africa, and the King’s Foundation, as well as meeting London’s emerging designers at 180 Studios, a creative hub on The Strand.
—Tianwei Zhang, Footwear News, 19 Feb. 2026
Modi’s remarks came as India — one of the fastest-growing digital markets — seeks to leverage its experience in building large-scale digital public infrastructure and to present itself as a cost-effective hub for AI innovation.
—ABC News, 19 Feb. 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 21 Feb. 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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