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English definition of “spine”

spine

noun [C] (BONE)    /spaɪn/
C1 the line of bones down the centre of the back that provides support for the body and protects the spinal cord: She injured her spine in a riding accident.figurative The Apennine mountains form the spine (= central row of mountains) of Italy.Bone structures
(Definition of spine noun (BONE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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