spine

nouns

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

"the fall broke his back"

is derived from

any sharply pointed projection

acantha, spine, spur

is derived from

a small sharp-pointed tip resembling a spike on a stem or leaf

pricker, prickle, spikelet, spine, sticker, thorn

is derived from

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, spine

a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin

spine

is derived from

is derived from

is a type of (narrower)

a natural prolongation or projection from a part of an organism either animal or plant

"a bony process"