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  1. backbone love

Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. The vertebrate spine or spinal column.
  2. n. Something, such as the keel of a ship, that resembles a backbone.
  3. n. A main support or major sustaining factor: the backbone of a thesis.
  4. n. Geology A ridge forming the principal axis of a mountain.
  5. n. Geology The principal mountain ridge, range, or system of a region.
  6. n. Chemistry The main chain of atoms in a polymer.
  7. n. Strength of character; determination: displayed grit and backbone in facing adversity.

Century Dictionary and Cyclopedia

  1. n. The bone of the middle line of the back; the spine; the vertebral column; the vertebræ collectively.
  2. n. Something resembling a backbone in appearance, position, or office: as, the Apennines are the backbone of Italy.
  3. n. Figuratively, firmness; stability of purpose; decision of character; resolution; moral principle.

Wiktionary

  1. n. 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.
  2. n. any fundamental support, structure, or infrastructure
  3. n. courage, fortitude, or strength

GNU Webster's 1913

  1. n. The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.
  2. n. Anything like , or serving the purpose of, a backbone.
  3. n. Firmness; moral principle; steadfastness.

WordNet 3.0

  1. n. the part of a network that connects other networks together
  2. n. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  3. n. 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
  4. n. fortitude and determination
  5. n. a central cohesive source of support and stability

Etymologies

  1. From back + bone. (Wiktionary)

Examples

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‘backbone’ has been looked up 2270 times, loved by 1 person, added to 12 lists, and has a Scrabble score of 18.