backbone

English

/ˈbækˌbəʊn/, /ˈbækˌboʊn/

noun
Definitions
  • 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.
  • (figuratively) Any fundamental support, structure, or infrastructure.
  • (figuratively) Courage, fortitude, or strength.

Etymology

Inherited from Middle English bakbon compound from English back (mild drink, back, chaser) + English bone.

Origin

English

bone

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms