Definition of spinal adjective from the Oxford Advanced Learner's Dictionary

 

spinal

 adjective
adjective
BrE BrE//ˈspaɪnl//
 
; NAmE NAmE//ˈspaɪnl//
 
[usually before noun](specialist)
 
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connected with the spine (= the long bone in the back) spinal injuries Word Origin late 16th cent.: from late Latin spinalis, from Latin spina ‘thorn, prickle, backbone’.
See the Oxford Advanced American Dictionary entry: spinal