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 from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “hub” in other dictionaries

Word of the Day

stampede

When animals or people stampede, they all move quickly in the same direction, often because they are frightened.

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