BACKBONE

backbone

Noun

  1. 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. any fundamental support, structure, or infrastructure
    Before automobiles, railroads were a backbone of commerce.
  3. courage, fortitude, or strength
    He would make a good manager, if he had a little more backbone.


The above text is a snippet from Wiktionary: backbone
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!