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
These stories can also be found on Yahoo’s women’s sports hub, in partnership with The Athletic.
—
Melanie Anzidei, New York Times, 12 May 2026
The Queen City stretches from polished suburban enclaves to walkable urban districts, from arts hubs to college-adjacent corridors.
—Lauren Jarvis-Gibson, Charlotte Observer, 11 May 2026
Like Hangzhou, these cities are home to e-commerce hubs and small garment factories that often engage in the act of copycat pattern-making based on trending luxury pieces — sometimes returning them after the copy is made — according to local media reports.
—Denni Hu, Footwear News, 11 May 2026
Chicago Rockford International Airport is already a big freight hub.
—The Editorial Board, Chicago Tribune, 11 May 2026
See All Example Sentences for hub
Examples are automatically compiled from online sources to
show current usage.
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Melanie Anzidei, New York Times, 12 May 2026
The Queen City stretches from polished suburban enclaves to walkable urban districts, from arts hubs to college-adjacent corridors.
—Lauren Jarvis-Gibson, Charlotte Observer, 11 May 2026
Like Hangzhou, these cities are home to e-commerce hubs and small garment factories that often engage in the act of copycat pattern-making based on trending luxury pieces — sometimes returning them after the copy is made — according to local media reports.
—Denni Hu, Footwear News, 11 May 2026
Chicago Rockford International Airport is already a big freight hub.
—The Editorial Board, Chicago Tribune, 11 May 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 12 May. 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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