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
In Abu Dhabi, the world’s top asset managers are convening as the government commits tens of billions of dollars to accelerate its ascent as a global financial hub.
—
Mohammed Sergie, semafor.com, 9 Dec. 2025
Armed with chips, sovereign wealth, and abundant energy, Gulf states could surpass Europe and India in terms of AI infrastructure—eventually becoming the world’s third biggest hub for AI computing power, behind the United States and China.
—Daniel Benaim, Foreign Affairs, 9 Dec. 2025
Throughout the public spaces, artworks curated by local initiative OZ Art NWA highlight artists tied to the region and underscore Bentonville’s budding reputation as an art hub.
—Regan Stephens, Travel + Leisure, 9 Dec. 2025
The overstock hub is full of amazing gift ideas for under $50.
—Stephanie Osmanski, Better Homes & Gardens, 9 Dec. 2025
See All Example Sentences for hub
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Mohammed Sergie, semafor.com, 9 Dec. 2025
Armed with chips, sovereign wealth, and abundant energy, Gulf states could surpass Europe and India in terms of AI infrastructure—eventually becoming the world’s third biggest hub for AI computing power, behind the United States and China.
—Daniel Benaim, Foreign Affairs, 9 Dec. 2025
Throughout the public spaces, artworks curated by local initiative OZ Art NWA highlight artists tied to the region and underscore Bentonville’s budding reputation as an art hub.
—Regan Stephens, Travel + Leisure, 9 Dec. 2025
The overstock hub is full of amazing gift ideas for under $50.
—Stephanie Osmanski, Better Homes & Gardens, 9 Dec. 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 15 Dec. 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)
Love words? Need even more definitions?
Merriam-Webster unabridged
Share