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hub

[huhb] /hʌb/
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), hubbed, hubbing.
10.
Metalworking. to stamp (a metal blank) with a hub.
Origin of hub
1505-1515
1505-15; perhaps variant of hob1
Synonyms
3. core, pivot, heart.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for hub
Contemporary Examples
Historical Examples
  • The final operation is that of finishing the bore by tool J and cutting a groove in the outside of the hub by the bent tool K.

    Turning and Boring Franklin D. Jones
  • Should he have grasped the spokes near the hub, near the rim, or in the middle?

    Common Science Carleton W. Washburne
  • It will be seen the impulse roller is staked flat against the hub E of the balance staff.

  • The poor creature's dress had caught in something, and she stood an instant on the hub.

    Peak and Prairie Anna Fuller
  • Cousin Peligros lived in a little apartment in Madrid, which she fondly imagined to be the hub of the social universe.

    The Velvet Glove Henry Seton Merriman
British Dictionary definitions for hub

hub

/hʌb/
noun
1.
the central portion of a wheel, propeller, fan, etc, through which the axle passes
2.
the focal point
3.
(computing) a device for connecting computers in a network
Word Origin
C17: probably variant of hob1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hub
n.

"solid center of a wheel," 1640s, 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, and originally especially of Boston.

"Boston State-House is the hub of the solar system." [O.W. Holmes, "Autocrat of the Breakfast Table"]



"[E]verybody knows that Boston used to be called the Hub, meaning the hub of the universe. It may still be the hub, because the center of a wheel moves slowly." [J.P. Marquand, "Life," March 24, 1941]

Online Etymology Dictionary, © 2010 Douglas Harper
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hub in Technology

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)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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