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Meaning & Definition of Backbone in English





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"
  • anchor,
  • mainstay,
  • keystone,
  • backbone,
  • linchpin,
  • lynchpin

2. Fortitude and determination

  • "He didn't have the guts to try it"
  • backbone,
  • grit,
  • guts,
  • moxie,
  • sand,
  • gumption

3. The series of vertebrae forming the axis of the skeleton and protecting the spinal cord

  • "The fall broke his back"
  • spinal column,
  • vertebral column,
  • spine,
  • backbone,
  • back,
  • rachis

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"
  • spine,
  • backbone

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"
  • backbone

Examples of using

He is an American to the backbone.