Definition of backbone

Scrabble & Words with friends points

• backbone is a valid Scrabble US word with a point value of 18
• backbone is a valid Scrabble UK word with a point value of 18
• backbone is a valid Words with friends word with a point value of 22

Definition of backbone

• the series of vertebrae forming the axis of the skeleton and protecting the spinal cord (noun)

  Synonyms

  1. back
  2. rachis
  3. spinal column
  4. spine
  5. vertebral column
• fortitude and determination (noun)

  Synonyms

  1. grit
  2. gumption
  3. guts
  4. moxie
  5. sand
• a central cohesive source of support and stability (noun)

  Synonyms

  1. anchor
  2. keystone
  3. linchpin
  4. lynchpin
  5. mainstay
• 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 (noun)

  Synonyms

  1. spine
• the part of a network that connects other networks together (noun)

  Examples

  1. the backbone is the part of a communication network that carries the heaviest traffic

See definition of backbone in Merriam Webster