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
Check out the all new PLAY hub with puzzles, games and more!
—
Bryan West, USA Today, 13 Mar. 2026
Geopolitics, particularly tariff uncertainty, remained a concern for dealers, while the Iran war has disrupted events in Middle Eastern hubs and will likely raise costs and lower luxury spending in the weeks to come.
—Tom Chivers, semafor.com, 12 Mar. 2026
The latest incidents follow drone strikes and explosions targeting fuel storage facilities across the gulf, including at energy sites in Bahrain and at the port of Salalah in Oman, an important hub for tankers seeking to bypass Hormuz.
—Los Angeles Times, 12 Mar. 2026
Other Gulf states intercepted new waves of Iranian drones and missiles early Thursday morning too, including in the global business hub of Dubai, where a drone fell on a building near the luxury neighborhood of Creek Harbour.
—Jessie Yeung, CNN Money, 12 Mar. 2026
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.
Bryan West, USA Today, 13 Mar. 2026
Geopolitics, particularly tariff uncertainty, remained a concern for dealers, while the Iran war has disrupted events in Middle Eastern hubs and will likely raise costs and lower luxury spending in the weeks to come.
—Tom Chivers, semafor.com, 12 Mar. 2026
The latest incidents follow drone strikes and explosions targeting fuel storage facilities across the gulf, including at energy sites in Bahrain and at the port of Salalah in Oman, an important hub for tankers seeking to bypass Hormuz.
—Los Angeles Times, 12 Mar. 2026
Other Gulf states intercepted new waves of Iranian drones and missiles early Thursday morning too, including in the global business hub of Dubai, where a drone fell on a building near the luxury neighborhood of Creek Harbour.
—Jessie Yeung, CNN Money, 12 Mar. 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 15 Mar. 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)
Love words? Need even more definitions?
Merriam-Webster unabridged
