Spine
This page is the CodyCross answer for the clue below from Small World, Group 681, Puzzle 3 (Glitter Specks).
Question
Spine
Answer
BACKBONE
Word Meaning:
BACKBONE — (countable) The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
Definitions from Wiktionary.