Definition of hub in English:

hub

Syllabification: hub
Pronunciation: /həb
 
/

noun

1The central part of a wheel, rotating on or with the axle, and from which the spokes radiate.
More example sentences
  • Remove your wheels, and wipe them down, since the dirt gets lodged in the little nooks and crannies of the wheel hubs and spokes.
  • Instead, a few species are like hubs, with spokes radiating out to the other species.
  • Now we are keeping that going, and working on some other parts that are new to us - pedals, cranks, hubs and wheels.
Synonyms
pivot, axis, fulcrum, center, middle
2The effective center of an activity, region, or network: the city has always been the financial hub of the country Denver became a regional economic hub for a large part of the western United States the kitchen was the hub of family life
More example sentences
  • Clubs need to be innovative, family friendly and at the hub of local activity.
  • He said that he expected that the region would become an international hub of tourism.
  • For centuries this quaint location has been a hub of activity; that of natural forces and that of man.
Synonyms
center, core, heart, middle, focus, focal point, central point, nucleus, kernel, nerve center, polestar
2.1A central airport or other transport facility from which many services operate: some new flights are being based in cities that are not traditional international hubs the city’s major transportation hub for bus and rail [as modifier]: major hub airports have grown up all over the world
More example sentences
  • The carriers were accused of fixing prices on fares through 34 hub airports.
  • Historically, major hub airports have grown up all over the world on the back of airlines which were dominant national flag carriers.
  • All flights, including domestic, charter and cargo, will shift to the new airport, which will play a major role in boosting the role of Thailand as a regional aviation hub.

Origin

early 16th century (denoting a shelf at the side of a fireplace used for heating pans): of unknown origin (compare with hob1).

Phrases

hub-and-spoke

Denoting a system of air transportation in which local airports offer flights to a central airport where international or long-distance flights are available.
More example sentences
  • Further giving this concept fuel is the current state of the airlines, including the inefficient hub-and-spoke system, flight delays and intrusive airport security, not to mention service, or lack thereof, once aboard the airliner.
  • ‘The hub-and-spoke system is inherently more expensive to run than point-to-point,’ explained Jack Stephan, spokesman for the Air Line Pilots Association.
  • The highly centralized hub-and-spoke system - centralized for the airlines, not us - now regularly bifurcates and often trifurcates even an hour's flight time as the crow flies into a four-hour series of legs.

Definition of hub in:

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