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!
—
Brian Truitt, USA Today, 30 Jan. 2026
As global automakers grapple with slower EV adoption in some regions and intensifying competition from Chinese brands, Volkswagen’s CEA rollout highlights how deeply the company is betting on China—not just as a market, but as a technology and software hub that could shape its global future.
—Matthew MacConnell, Forbes.com, 29 Jan. 2026
The program is anchored by four resilience hubs that also serve as emergency resource centers, providing food, medical support and energy access to thousands of residents.
—Nakell Williams, CBS News, 29 Jan. 2026
Officials write that terrorists target transportation hubs, hotels, malls, places of worship, tourist spots and other places.
—Ashley J. Dimella, FOXNews.com, 29 Jan. 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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Brian Truitt, USA Today, 30 Jan. 2026
As global automakers grapple with slower EV adoption in some regions and intensifying competition from Chinese brands, Volkswagen’s CEA rollout highlights how deeply the company is betting on China—not just as a market, but as a technology and software hub that could shape its global future.
—Matthew MacConnell, Forbes.com, 29 Jan. 2026
The program is anchored by four resilience hubs that also serve as emergency resource centers, providing food, medical support and energy access to thousands of residents.
—Nakell Williams, CBS News, 29 Jan. 2026
Officials write that terrorists target transportation hubs, hotels, malls, places of worship, tourist spots and other places.
—Ashley J. Dimella, FOXNews.com, 29 Jan. 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 30 Jan. 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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