backbone

How to sign: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
"the fall broke his back";

Similiar / Same: spinal column, vertebral column, spine, rachis, back

Categories: skeletal structure

Within this category: chine, notochord

backbone

How to sign: fortitude and determination
"he didn't have the guts to try it";

Similiar / Same: guts, moxie, grit, gumption, sand

Categories: fortitude

backbone

How to sign: a central cohesive source of support and stability
"faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm";

Similiar / Same: keystone, linchpin, lynchpin, anchor, mainstay

Categories: support