backbone

n. spine; bone marrow; strength of character, determination; physical infrastructure of the Internet (Computers)

Backbone may mean:Vertebral column, of a vertebrate organismBackbone chain, in polymer chemistry, the framework of the moleculeBackbone Entertainment, a video game development companyBackbone network, the top level of a hierarchical networkInternet backboneEuropean backboneBackbone, and emcee from the Dungeon Family.
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Back·bone n. See spinal column. backbone the vertebral column. backbone Vox populi Vertebral column, see there [more]Backbone - Community and Resources

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"
(synonym) anchor, mainstay, keystone, linchpin, lynchpin
(hypernym) support
2. fortitude and determination; "he didn't have the guts to try it"
(synonym) grit, guts, moxie, sand, gumption
(hypernym) fortitude
(classification) colloquialism
3. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
(synonym) spinal column, vertebral column, spine, back, rachis
(hypernym) skeletal structure
(hyponym) notochord
(part-holonym) axial skeleton
(part-meronym) spinal canal, vertebral canal, canalis vertebralis
4. the part of a network that connects other networks together; "the backbone is the part of a communication network that carries the heaviest traffic"
(hypernym) connection, connexion, connector, connecter, connective
(part-holonym) net, network, mesh, meshing, meshwork

n. backbone, spine; bone marrow; physical infrastructure of the Internet (Computers)