Hub | Mean of hub in English Dictionary

/ˈhʌb/

• Noun
• the central and most active part or place
1. the hub of the city
2. The island is a major tourist hub. [=a place where many tourists go]
3. She was at the hub of all the activity.
• the airport or the city through which an airline sends most of its flights
1. All of the airline's coast-to-coast flights pass through its hub.
• the center of a wheel, propeller, fan, etc.
1. The spokes attach to the hub of the wheel.