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
Ahead of the draft, NFL IQ transformed raw data from the NFL Combine and team needs, free agency moves made and more for this hub that provides fans access to key insights and puts them in the shoes of front office decision makers.
—
Scott Thompson, FOXNews.com, 20 Apr. 2026
Naples is also a major hub for cruise ships, which dock at the Stazione Marittima on the waterfront.
—Laura Itzkowitz, Travel + Leisure, 20 Apr. 2026
American, which has a major hub at Miami International Airport and is one of Miami-Dade County’s largest employers, is the first commercial airline to announce plans to resume non-stop fights between Venezuela and the United States.
—Vinod Sreeharsha, Miami Herald, 20 Apr. 2026
Central America has emerged as a hub for activewear and athleisure, while Peru draws luxury brands with its high-quality cotton and history of textile craftsmanship.
—Angela Velasquez, Footwear News, 20 Apr. 2026
See All Example Sentences for hub
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Scott Thompson, FOXNews.com, 20 Apr. 2026
Naples is also a major hub for cruise ships, which dock at the Stazione Marittima on the waterfront.
—Laura Itzkowitz, Travel + Leisure, 20 Apr. 2026
American, which has a major hub at Miami International Airport and is one of Miami-Dade County’s largest employers, is the first commercial airline to announce plans to resume non-stop fights between Venezuela and the United States.
—Vinod Sreeharsha, Miami Herald, 20 Apr. 2026
Central America has emerged as a hub for activewear and athleisure, while Peru draws luxury brands with its high-quality cotton and history of textile craftsmanship.
—Angela Velasquez, Footwear News, 20 Apr. 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 23 Apr. 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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