spine

(n) the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
- the fall broke his back
spinal column, vertebral column, rachis, backbone, back,
(n) any sharply pointed projection acantha, spur,
(n) a small sharp-pointed tip resembling a spike on a stem or leaf pricker, prickle, spikelet, sticker, thorn,
(n) 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
- the title and author were printed on the spine of the book
backbone,
(n) a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin

spinal column vertebral column rachis backbone back acantha spur pricker prickle spikelet sticker thorn

spiny

spic spik spin spit spiv

Spica spice spick spicy spiel spiff spike spiky spile spill spiny spire spirt spite spitz

spinel spineless spinelessness spinel ruby spinet spine-tipped