Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “hub”

hub

noun [C]     /hʌb/
OF ACTIVITY a place that is the centre of a particular activity: [usually singular] Silicon Valley has become the hub of the electronics industry.Places and locationsUnpleasant places
WHEEL the round part in the centre of a wheelThe exterior of vehicles
(Definition of hub noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “hub” in other dictionaries

Word of the Day

beneficiary

a person or group who receives money, advantages, etc. as a result of something else

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More