Having a spine.

plural of backbone

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.

(idiomatic) Through and through; thoroughly; entirely.

(Jamaica) A hard confection made with grated coconut and ginger.

Success is achieved by hard work, not by merely wishing for it.

Without a backbone; invertebrate. / Cowardly, spineless.

cowardice; spinelessness