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hub

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.05 sec.

hub

(1) See Web hub, digital media hub and intelligent hub.

(2) In an Ethernet network, a device to which all clients and servers are wired. Most Ethernet hubs are active hubs and regenerate the data bits on the output side in order to maintain a strong signal. Ethernet hubs have mostly given way to Ethernet switches. See Ethernet, hub vs. switch and LAN.

(3) In a Token Ring network, a device to which all clients and servers are wired. It is officially known as a "Multi-station Access Unit" (MAU). See Token Ring and LAN.

hub
1. the central portion of a wheel, propeller, fan, etc., through which the axle passes
2. Computing a device for connecting computers in a network
(networking)hub - (By analogy with the hub of a wheel) A device connected to several other devices.

In ARCnet, a hub is used to connect several computers together. In a message handling service, a number of local computers might exchange messages solely with a hub computer. The hub would be responsible for exchanging messages with other hubs and non-local computers.
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Observing that my request for a ride took no attention, and finding myself falling slowly astern, I placed one foot upon the inner circumference of a hind wheel and was slowly elevated to the level of the hub, whence I boarded the concern, sans ceremonie, and scrambling forward seated myself beside the driver--who took no notice of me until he had administered another indiscriminate castigation to his cattle, accompanied with the advice to "buckle down, you derned Incapable
Can Such Things Be? by Bierce, Ambrose View in context
I'm in, up to the hub, for anything that will pay, Bilgewater; but, you see, I don't know nothing about play-actin', and hain't ever seen much of it.
Adventures of Huckleberry Finn by Twain, Mark View in context
Martin washed woollens that day, by hand, in a large barrel, with strong soft-soap, by means of a hub from a wagon wheel, mounted on a plunger-pole that was attached to a spring-pole overhead.
Martin Eden by London, Jack View in context
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