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English definition of “spine”

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spine

noun [C]  /spɑɪn/ us  

spine noun [C] (BONE)

( also backbone, spinal column) the line of bones down the center of the back that provides support for the body

spine noun [C] (POINT)

one of the thin, pointed objects that are part of the outer surface of some animals and plants: Be careful of the cactus spines.

spine noun [C] (BOOK PART)

the end of a book where the pages are attached and which usually shows the writer’s name and title on its outer part
(Definition of spine from the Cambridge Academic Content Dictionary © Cambridge University Press)
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