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backbone
9 dictionary results for: backbone
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
back·bone       [bak-bohn] Pronunciation Key
–noun
1.Anatomy. the spinal column; spine.
2.strength of character; resolution.
3.something resembling a backbone in appearance, position, or function.
4.Bookbinding. a back or bound edge of a book; spine.
5.Nautical. a rope running along the middle of an awning, as a reinforcement and as an object to which a supporting bridle or crowfoot may be attached.
6.Naval Architecture. the central fore-and-aft assembly of the keel and keelson, giving longitudinal strength to the bottom of a vessel.

[Origin: 1250–1300; ME bacbon. See back1, bone1]

backboned, adjective
backboneless, adjective

2. firmness, decision, fortitude.
American Heritage Dictionary - Cite This Source - Share This
back·bone       (bāk'bōn')  Pronunciation Key 
n.  
  1. The vertebrate spine or spinal column.
  2. Something, such as the keel of a ship, that resembles a backbone.
  3. A main support or major sustaining factor: the backbone of a thesis.
  4. Geology
    1. A ridge forming the principal axis of a mountain.
    2. The principal mountain ridge, range, or system of a region.
  5. Chemistry The main chain of atoms in a polymer.
  6. Strength of character; determination: displayed grit and backbone in facing adversity.

back'boned' adj.
Online Etymology Dictionary - Cite This Source - Share This
backbone 
"spine," c.1300, from back + bone. Fig. sense of "strength of character" is attested from 1843.

WordNet - Cite This Source - Share This
backbone

noun
1. a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm" [syn: anchor
2. fortitude and determination; "he didn't have the guts to try it" 
3. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" [syn: spinal column
4. the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved; "the title and author were printed on the spine of the book" [syn: spine
5. the part of a network that connects other networks together; "the backbone is the part of a communication network that carries the heaviest traffic" 

The American Heritage Science Dictionary - Cite This Source - Share This
backbone       (bāk'bōn')  Pronunciation Key 

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
backbone

The primary line(s) that connects the slower, shorter cable portions of a communications network together. (See last mile.) In larger networks, such as the Internet, a backbone consists of high-capacity, high-speed lines that can extend over great distances.


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

backbone networking
The top level in a hierarchical network. Stub networks and transit networks which connect to the same backbone are guaranteed to be interconnected.
See also: Internet backbone.
(1998-07-02)

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

Backbone

Back"bone"\, n. [2d back,n.+ bone. ]

1. The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.

2. Anything like, or serving the purpose of, a backbone.

The lofty mountains on the north side compose the granitic axis, or backbone of the country. --Darwin.

We have now come to the backbone of our subject. --Earle.

3. Firmness; moral principle; steadfastness.

Shelley's thought never had any backbone. --Shairp.

To the backbone, through and through; thoroughly; entirely. "Staunch to the backbone." --Lord Lytton.

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