Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spine

5 senses of spine

Sense 1
spinal column, vertebral column, spine, backbone, back, rachis -- (the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back")
       => skeletal structure -- (any structure created by the skeleton of an organism)

Sense 2
spur, spine, acantha -- (any sharply pointed projection)
       => projection -- (any solid convex shape that juts out from something)

Sense 3
spine, thorn, prickle, pricker, sticker, spikelet -- (a small sharp-pointed tip resembling a spike on a stem or leaf)
       => aculeus -- (a stiff sharp-pointed plant process)

Sense 4
spine, backbone -- (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")
       => part, portion -- (something less than the whole of a human artifact; "the rear part of the house"; "glue the two parts together")

Sense 5
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)
       => process, outgrowth, appendage -- (a natural prolongation or projection from a part of an organism either animal or plant; "a bony process")