LEARNit Dictionary

hub

noun
1
a central airport, station, etc. that operates many services
مرکز, قطب
2
the central and most important part of a particular place or activity
مرکز, کانون, قطب
the commercial hub of the city
The kitchen was the hub of family life.
to be at the hub of things
3
the central part of a wheel
توپی, توپی چرخ