Hub meaning : The central part, usually cylindrical, of a wheel; the nave. A point where many routes meet and traffic is distributed, dispensed or diverted. A central facility providing a range of related services, such as a medical hub or an educational hub A computer networking device connecting several Ethernet ports. See switch. A stake with a nail in it, used to mark a temporary point. A male weasel; a buck; a dog; a jack. The hilt of a weapon. A rough protuberance or projecting obstruction. An area in a video game from which most or all of the game's levels are accessed. A goal or mark at which quoits, etc., are thrown. A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc. A screw hob. A block for scotching a wheel.