noun
hub
HUB/hʌb/
The central part around which connected parts turn.
The spokes meet at the wheel's central hub.
Etymology
A hub was first the solid center of a wheel. That physical center became an image for a place where activity or importance concentrates; the word’s earlier origin is uncertain.
In context
being a tech hub so as you know becoming a city where there are lots of startups and lots of activity and some venture capital money and good university that's putting out developers
More examples
- The propeller's blades extend outward from a metal hub.
- A worn wheel hub can make a grinding noise.
- The mechanic checks both front hubs for damage.
Forms
hub · hubs
hubcap noun — A cover over a wheel's hub.
Similar words
- center
- Names any middle point, not specifically a rotating object's central part.