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
The 34-year-old democratic socialist is poised to take control of a 306,000-person municipal workforce in the global center of capitalism that also functions as a cultural hub that dictates trends around the world.
—
Philip Elliott, Time, 5 Nov. 2025
But Liebman insists that the decision to move back into major metropolitan hubs like Manhattan has less to do with RTO and more to do with a fear of being left behind in an uncertain job market.
—Emma Burleigh, Fortune, 5 Nov. 2025
The hub employs thousands of workers, has 300 daily flights and sorts more than 400,000 packages an hour.
—Arkansas Online, 5 Nov. 2025
The launch of these two major funds sets a strong tone for TCCF 2025 as the event continues to expand its role as a leading hub for Asian creative industries.
—Lin Ying-Hsuan, Variety, 4 Nov. 2025
See All Example Sentences for hub
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Philip Elliott, Time, 5 Nov. 2025
But Liebman insists that the decision to move back into major metropolitan hubs like Manhattan has less to do with RTO and more to do with a fear of being left behind in an uncertain job market.
—Emma Burleigh, Fortune, 5 Nov. 2025
The hub employs thousands of workers, has 300 daily flights and sorts more than 400,000 packages an hour.
—Arkansas Online, 5 Nov. 2025
The launch of these two major funds sets a strong tone for TCCF 2025 as the event continues to expand its role as a leading hub for Asian creative industries.
—Lin Ying-Hsuan, Variety, 4 Nov. 2025
See All Example Sentences for hub
Cite this Entry
“Hub.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hub. Accessed 7 Nov. 2025.
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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