Record; spinal layer (4)
I believe the answer is:
disc
(Other definitions for disc that I've seen before include "something moving in the spine" , "Gramophone record" , "CD perhaps" , "Sound recording" , "Old record" .)
I believe the answer is:
disc
(Other definitions for disc that I've seen before include "something moving in the spine" , "Gramophone record" , "CD perhaps" , "Sound recording" , "Old record" .)