Noun Definition

backbone

1.Definition: a central cohesive source of support and stability

Related Noun(s):lynchpin, linchpin, keystone, anchor, mainstay

Category: General

2.Definition: fortitude and determination

Related Noun(s):gumption, grit, guts, sand, moxie

Category: General

3.Definition: 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

Related Noun(s):spine

Category: Objects

4.Definition: the part of a network that connects other networks together

"The backbone is the part of a communication network that carries the heaviest traffic"

Category: Objects

5.Definition: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

Related Noun(s):spine, back, rachis

Category: General