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
Reliability, flexibility, and fast, on time delivery guide development, with specifications tailored to local markets and customers, from last mile hubs and national distribution to cold storage, production facilities, and data centres.
—
CBS News, 8 Jan. 2026
While the three recent transactions point to pockets of strength in the South Bay apartment sector, some residential hubs are struggling beneath the weight of financial setbacks.
—George Avalos, Mercury News, 7 Jan. 2026
These moves, as well as the announcement of Spotify Sycamore Studios, an upcoming podcast and video production hub for The Ringer podcasts and select creators, come amid a big push by Spotify toward video podcasts.
—Caitlin Huston, HollywoodReporter, 7 Jan. 2026
American Airlines will launch 100 additional daily flights from its hub at Chicago O’Hare International Airport (ORD) this spring, representing a 30 percent boost for flights from the city, according to the carrier.
—Michael Cappetta, Travel + Leisure, 7 Jan. 2026
See All Example Sentences for hub
Examples are automatically compiled from online sources to
show current usage.
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CBS News, 8 Jan. 2026
While the three recent transactions point to pockets of strength in the South Bay apartment sector, some residential hubs are struggling beneath the weight of financial setbacks.
—George Avalos, Mercury News, 7 Jan. 2026
These moves, as well as the announcement of Spotify Sycamore Studios, an upcoming podcast and video production hub for The Ringer podcasts and select creators, come amid a big push by Spotify toward video podcasts.
—Caitlin Huston, HollywoodReporter, 7 Jan. 2026
American Airlines will launch 100 additional daily flights from its hub at Chicago O’Hare International Airport (ORD) this spring, representing a 30 percent boost for flights from the city, according to the carrier.
—Michael Cappetta, Travel + Leisure, 7 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 9 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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