hub

noun

1. 1

   The central part, usually cylindrical, of a wheel; the nave.

2. 2

   A point where many routes meet and traffic is distributed, dispensed or diverted.

   “Hong Kong International Airport is one of the most important air traffic hubs in Asia.”

3. 3

   A central facility providing a range of related services, such as a medical hub or an educational hub

4. 4

   A computer networking device connecting several Ethernet ports. See switch.

5. 5

   A stake with a nail in it, used to mark a temporary point.

6. 6

   A male weasel; a buck; a dog; a jack.

7. 7

   The hilt of a weapon.

8. 8

   A rough protuberance or projecting obstruction.

   “a hub in the road”

9. 9

   An area in a video game from which most or all of the game's levels are accessed.

10. 10

    A goal or mark at which quoits, etc., are thrown.

11. 11

    A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc.

12. 12

    A screw hob.

13. 13

    A block for scotching a wheel.