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 include plans for a Trump tower in Saudi Arabia's capital Riyadh and major hub Jeddah, real estate projects in Oman and further expansion in Abu Dhabi.
—
Federico MacCioni, USA Today, 30 Apr. 2025
The couple is visiting a community hub and an artisan market to meet some of the island’s creators.
—Stephanie Petit, People.com, 29 Apr. 2025
Ulrike Schroder will be managing director of the TV division, heading the hub for international TV distribution within Vuelta.
—Leo Barraclough, Variety, 29 Apr. 2025
Earlier this month, Xi visited Southeast Asia for the second time in less than two years, to strengthen ties with Vietnam and other key neighbors that have become transshipment hubs for Chinese goods.
—Zongyuan Zoe Liu, Foreign Affairs, 29 Apr. 2025
See All Example Sentences for hub
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Federico MacCioni, USA Today, 30 Apr. 2025
The couple is visiting a community hub and an artisan market to meet some of the island’s creators.
—Stephanie Petit, People.com, 29 Apr. 2025
Ulrike Schroder will be managing director of the TV division, heading the hub for international TV distribution within Vuelta.
—Leo Barraclough, Variety, 29 Apr. 2025
Earlier this month, Xi visited Southeast Asia for the second time in less than two years, to strengthen ties with Vietnam and other key neighbors that have become transshipment hubs for Chinese goods.
—Zongyuan Zoe Liu, Foreign Affairs, 29 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 11 May. 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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