\ ˈhəb How to pronounce hub (audio) \

Definition of hub

1 : the central part of a circular object (such as a wheel or propeller) spokes attached to the hub of the wheel
2a : 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

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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.
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Recent Examples on the Web

Royal Bank of Scotland PLC repurposed a Dutch entity to become the main hub for its investment-banking business on the continent, and added to the responsibilities of Cornelis Visscher, who has been the unit’s CFO since 2013. Nina Trentmann, WSJ, "Brexit Creates New Cohort of Bank CFOs in Continental Europe," 1 July 2019 In 1952, the Warrens established the New England Society for Psychic Research which would become the hub of their ghost hunting activities. Rosie Knight,, "Yep, Annabelle Comes Home Comes From A Spooky, Possibly True Story," 30 June 2019 Come Monday, after nine months of gathering dust, the Transbay transit center will again become a hub of activity in San Francisco’s burgeoning South of Market neighborhood. Michael Cabanatuan,, "Transbay transit center scheduled to open — again — on Monday," 28 June 2019 California has become a hub for clean-tech companies like Tesla, the electric vehicle maker that has benefited from the state’s clean-car incentives. New York Times, "Blue States Roll Out Aggressive Climate Strategies. Red States Keep to the Sidelines.," 21 June 2019 Authorities on both sides argue cross-border collaborations advance science and help Hong Kong become an innovation hub. Dennis Normile, Science | AAAS, "Hong Kong researchers forge ties with mainland China even as protesters fight for autonomy," 18 June 2019 Glendale is set to receive $1 million from the state’s General Fund to launch a tech startup accelerator to support local technological companies, bolstering the city’s push to become a regional tech hub. Lila Seidman,, "California’s budget includes $1.8M for Glendale tech, L.A. River initiatives," 18 June 2019 Spain, where payment rates for eggs have crept slightly above the European Union average and donation is anonymous, has become a hub for egg donation, attracting a significant number of women from poor countries in Eastern Europe. Anna Louie Sussman, The New Yorker, "The Case for Redefining Infertility," 18 June 2019 Actor shares story of surprise encounter that birthed his black-and-gold fandom Through tax incentives, Georgia has become an entertainment hub. Hamza Shaban,, "Rather than boycotting Georgia, filmmakers urged to #StayAndFight," 5 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hub.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hub

1649, in the meaning defined at sense 1

History and Etymology for hub

probably alteration of hob entry 2

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Statistics for hub

Last Updated

13 Jul 2019

Look-up Popularity

Time Traveler for hub

The first known use of hub was in 1649

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More Definitions for hub



English Language Learners Definition of hub

: the central and most active part or place
: the airport or the city through which an airline sends most of its flights
: the center of a wheel, propeller, fan, etc.


\ ˈhəb How to pronounce hub (audio) \

Kids Definition of hub

1 : the center of a wheel, propeller, or fan
2 : a center of activity The port is the island's hub.


\ ˈhəb How to pronounce hub (audio) \

Medical Definition of hub

: the enlarged base by which a hollow needle may be attached to a device (as a syringe)

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More from Merriam-Webster on hub

Rhyming Dictionary: Words that rhyme with hub

Thesaurus: All synonyms and antonyms for hub

Spanish Central: Translation of hub

Nglish: Translation of hub for Spanish Speakers

Britannica English: Translation of hub for Arabic Speakers

Comments on hub

What made you want to look up hub? Please tell us where you read or heard it (including the quote, if possible).


something desired as essential

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