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backbone noun

  /ˈbækˌboʊn/ , /ˈbækˌbəʊn/
  • The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
 espina dorsal, columna vertebral
  • (figuratively) Any fundamental support, structure, or infrastructure.
 columna vertebral
  • (figuratively) Courage, fortitude, or strength.
 coraje, carácter

backboned adjective

  • Having a spine.
 vertebrado
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