\ˈhəb \

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

Keep scrolling for more

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.
See More

Recent Examples on the Web

In the meantime, Lilis has negotiated deals to ship its oil on the EPIC Crude Oil Pipeline stretching from the Permian to refining and port hubs in Corpus Christi. Jordan Blum, San Antonio Express-News, "Lilis may be an acquisition target," 13 July 2018 With high-tech automation capable of processing 100,000 packages an hour, the hub is aimed at enabling UPS is handle the ever-increasing demand from online shopping. Kelly Yamanouchi, ajc, "UPS hiring thousands of workers for massive hub on westside of Atlanta," 11 July 2018 No big changes are planned for now, but employees in Assemble’s Salem office may eventually join their new coworkers at Autodesk’s Boston hub., "Granite City Electric Supply to pay more than $2.3m to settle overbilling charges," 10 July 2018 Other Silicon Valley tech hubs such as Palo Alto, Menlo Park and Sunnyvale are contemplating their own new taxes and fees. Roland Li,, "As Silicon Valley looks to tax tech, San Francisco has lightened its load," 2 July 2018 Most of those exports are coming from port hubs in the Houston Ship Channel and Corpus Christi. Jordan Blum, Houston Chronicle, "Oil exports hit new 3 million barrels record," 27 June 2018 Leading up to Ostroff’s official start date in August, analysts have framed the news as a surefire sign of Spotify’s enduring ambitions to grow into a multimedia and advertising hub beyond music. Cherie Hu, Billboard, "Aggressive Content Bundling Might Be Spotify's Only Chance of Competing With Apple, Amazon," 10 July 2018 In Yenikoy, a village near the new airport, the sense of crisis has been building since Mr. Erdogan unleashed the project, chasing the dream of turning the city into a global air hub to rival London and Dubai. New York Times, "Turkey’s Economy Is So Hot That It May Face a Meltdown," 10 July 2018 But what do those past ambitions, and the success Google's had with turning YouTube into a hub for videogame culture, indicate about the company's present actions to enter the industry? Julie Muncy, WIRED, "Can Google Really Launch a Viable Videogame Platform?," 7 July 2018

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.

See More

First Known Use of hub

1649, in the meaning defined at sense 1

History and Etymology for hub

probably alteration of hob entry 2

Keep scrolling for more

Learn More about hub

Statistics for hub

Last Updated

5 Oct 2018

Look-up Popularity

Time Traveler for hub

The first known use of hub was in 1649

See more words from the same year

Keep scrolling for more

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 \

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 \

Medical Definition of hub 

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

Keep scrolling for more

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).


evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!