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
This is particularly important in Lisbon which, as a hub for TAP Air Portugal, competes for connecting market share with Madrid in the Iberian peninsula, and more broadly across Europe.
—
Kevin Rozario, Forbes, 22 Mar. 2025
The ministry is also revitalizing cultural centers across Indonesian provinces to serve as creative hubs for the film industry, alongside other cultural initiatives.
—Naman Ramachandran, Variety, 21 Mar. 2025
Under construction and closely tied to Beijing's long-term vision, Xiong'an is intended as a political and technological hub.
—Thomas G. Moukawsher, Newsweek, 21 Mar. 2025
London’s Heathrow Airport shut down Friday after a large fire at an electrical substation caused a power outage, disrupting 1,350 flights and putting the state of air cargo passing through the hub in disarray.
—Glenn Taylor, Sourcing Journal, 21 Mar. 2025
See All Example Sentences for hub
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Kevin Rozario, Forbes, 22 Mar. 2025
The ministry is also revitalizing cultural centers across Indonesian provinces to serve as creative hubs for the film industry, alongside other cultural initiatives.
—Naman Ramachandran, Variety, 21 Mar. 2025
Under construction and closely tied to Beijing's long-term vision, Xiong'an is intended as a political and technological hub.
—Thomas G. Moukawsher, Newsweek, 21 Mar. 2025
London’s Heathrow Airport shut down Friday after a large fire at an electrical substation caused a power outage, disrupting 1,350 flights and putting the state of air cargo passing through the hub in disarray.
—Glenn Taylor, Sourcing Journal, 21 Mar. 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 30 Mar. 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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