: the central part of a circular object (such as a wheel or propeller)
spokes attached to the hub of the wheel
: a center of activity : focal point
The island is a major tourist hub.
: an airport or city through which an airline routes most of its traffic
: a central device that connects multiple computers on a single network (see network entry 1 sense 3b)
: 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 Control of Avdiivka allows Ukrainian troops to more easily strike Russian transport hubs around the city of Donetsk. Tom Soufi Burridge, ABC News, 28 Nov. 2023 Key Background Las Vegas Sands, headquartered in Nevada, owns a number of casinos and resorts in two of the world’s premier gambling hubs: the Las Vegas Strip and in Macau. William Skipworth, Forbes, 28 Nov. 2023 But in recent years, a number of digital media giants — including Apple TV+, Amazon Studios, and HBO Max — have set up camp in the area, transforming Culver City into a hub for this new offspring of the entertainment world. Annie Archer, Travel + Leisure, 27 Nov. 2023 Beyond the Chinese border, since 2018, the BRI has reshaped Astana, the Kazakh capital, into a regional international finance hub, financing the construction of a new central business district anchored by the Astana International Finance Center and the striking Khan Shatyr Entertainment Center. Simon Curtis and Ian Klaus, Foreign Affairs, 27 Nov. 2023 Featuring a Thread radio, Zigbee hub, and Matter Controller capabilities, this is a great smart home hub and an excellent smart display. Jennifer Pattison Tuohy, The Verge, 24 Nov. 2023 On the mouth of the Pearl River, Macau was a significant East-West meeting point for trade and religion long before near neighbor Hong Kong fell to the British at the beginning of the 19th century, and was developed as the region’s predominant commercial and financial hub. Patrick Frater, Variety, 23 Nov. 2023 Boston is the biggest hub that could contend with strong winds and rain into the afternoon hours on Wednesday. Kathryn Prociv, NBC News, 21 Nov. 2023 Kids has launched a new hub on its website called the Neighborhood, a sort of digital universe where artists, writers, music fans and music industry executives can meet, share their work, tap into creative and artist services and even buy and sell books and music. Dan Rys, Billboard, 15 Nov. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hub.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


probably alteration of hob entry 2

First Known Use

1649, in the meaning defined at sense 1

Time Traveler
The first known use of hub was in 1649

Dictionary Entries Near hub

Cite this Entry

“Hub.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hub. Accessed 7 Dec. 2023.

Kids Definition


: the central part of a circular object (as a wheel)
: a center of activity

Medical Definition


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

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