noun
hub
huhb
noun
1
The central part of a wheel, around which it turns.
"The mechanic greased the wheel hub before refitting the tyre."
2
A central point where many routes, activities, or services converge.
"The airport is a major hub for flights across Europe."
"The city has become a hub for tech startups."
3
A small networking device that connects several devices on a local network.
"He plugged all three computers into the same network hub."
How to Use Hub
Learner’s notesIn plain EnglishA central point that everything else connects to or revolves around — literally on a wheel, or figuratively for a place, business, or network.
Common pairings
transport hub
wheel hub
hub of activity
network hub
Word Forms
hubs plural
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The mechanic greased the wheel _____ before refitting the tyre.
Etymology
Of uncertain origin, related to an old dialect word "hob"; possibly linked to a Germanic root meaning "bump" or "hill."