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 Charlotte City Council approved an $89 million plan in 2023 to build a new underground bus hub at the site of the current transit center.
—
Jeff A. Chamer, Charlotte Observer, 17 Apr. 2025
The Cerrado is governed by much laxer environmental laws than the Amazon, and has become a major hub for soybean production.
—Sarah Sax, The Atlantic, 16 Apr. 2025
The film was primarily shot in AlUla, the swathe of northwest Saudi Arabia comprising ancient artifacts, a lush oasis and sandstone canyons that’s becoming a burgeoning local film production hub.
—Nick Vivarelli, Variety, 16 Apr. 2025
While the annual celebration of 420 (April 20th, the unofficial marijuana holiday) has evolved across the country, San Francisco’s Golden Gate Park has remained a central hub for this occasion.
—Matt Rozo, Mercury News, 16 Apr. 2025
See All Example Sentences for hub
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Jeff A. Chamer, Charlotte Observer, 17 Apr. 2025
The Cerrado is governed by much laxer environmental laws than the Amazon, and has become a major hub for soybean production.
—Sarah Sax, The Atlantic, 16 Apr. 2025
The film was primarily shot in AlUla, the swathe of northwest Saudi Arabia comprising ancient artifacts, a lush oasis and sandstone canyons that’s becoming a burgeoning local film production hub.
—Nick Vivarelli, Variety, 16 Apr. 2025
While the annual celebration of 420 (April 20th, the unofficial marijuana holiday) has evolved across the country, San Francisco’s Golden Gate Park has remained a central hub for this occasion.
—Matt Rozo, Mercury News, 16 Apr. 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 23 Apr. 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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