backbone

Definitions of backbone in various dictionaries:

noun - a central cohesive source of support and stability

noun - fortitude and determination

noun - the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

noun - 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 - the part of a network that connects other networks together

The vertebrate spine or spinal column.

Something, such as the keel of a ship, that resembles a backbone in appearance or position.

A main support or major sustaining factor: the backbone of a thesis.

Strength of character; determination: displayed grit and backbone in facing adversity.

adj - the vertebral column [n -S] : SPINED

BACKBONE - Backbone is the vertebral column of a vertebrate. ...