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7 dictionary results for: Hub
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
hub       [huhb] Pronunciation Key noun, verb, hubbed, hub·bing.
–noun
1.the central part of a wheel, as that part into which the spokes are inserted.
2.the central part or axle end from which blades or spokelike parts radiate on various devices, as on a fan or propeller.
3.a center around which other things revolve or from which they radiate; a focus of activity, authority, commerce, transportation, etc.: Chicago is a railroad hub.
4.the Hub, Boston, Mass. (used as a nickname).
5.the peg or hob used as a target in quoits and similar games.
6.any one of the holes in an electrical panel, into which connections may be plugged.
7.Coining. a design of hardened steel in relief, used as a punch in making a die.
8.Surveying. a stake bearing a tack used to mark a theodolite position.
9.Metalworking. a die forced into a metal blank.
–verb (used with object)
10.Metalworking. to stamp (a metal blank) with a hub.

[Origin: 1505–15; perh. var. of hob1]

3. core, pivot, heart.
American Heritage Dictionary - Cite This Source - Share This
hub       (hŭb)  Pronunciation Key 
n.  
  1. The center part of a wheel, fan, or propeller.
  2. A center of activity or interest; a focal point. See Synonyms at center.


[Probably alteration of hob1.]

American Heritage Dictionary - Cite This Source - Share This
Hub       (hŭb)  Pronunciation Key 
n.   Boston, Massachusetts. Used with the.

Online Etymology Dictionary - Cite This Source - Share This
hub 
1511, perhaps from hubbe, originally "lump," the source of hob of a fireplace and hobnail, as in boots. A wheelwright's word, not generally known or used until c.1828; it reached wider currency in connection with bicycles. Meaning "center of interest or activity or importance" first recorded 1858 in writings of Oliver W. Holmes.
"Boston State-House is the hub of the solar system." [O.W. Holmes, "Autocrat of the Breakfast Table"]
Hub cap first recorded 1913.

WordNet - Cite This Source - Share This
hub

noun
1. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes 
2. a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area" 

Free On-line Dictionary of Computing - Cite This Source - Share This

hub networking
(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.
(1995-01-16)

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Hub

Hub\, n. [See 1st Hob.]

1. The central part, usually cylindrical, of a wheel; the nave. See Illust. of Axle box.

2. The hilt of a weapon. --Halliwell.

3. A rough protuberance or projecting obstruction; as, a hub in the road. [U.S.] See Hubby.

4. A goal or mark at which quoits, etc., are cast.

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

6. A screw hob. See Hob, 3.

7. A block for scotching a wheel.

Hub plank (Highway Bridges), a horizontal guard plank along a truss at the height of a wagon-wheel hub.

Up to the hub, as far as possible in embarrassment or difficulty, or in business, like a wheel sunk in mire; deeply involved. [Colloq.]

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