The Bone Below the Sacrum; the Tailbone
This page is the CodyCross answer for the clue below from Student Life , Group 930, Puzzle 3 (Biology and Chemistry).
Question is: The Bone Below the Sacrum; the Tailbone
and the answer is: COCCYX
Word Meaning:
COCCYX — (medicine, formal) The final (bottom-most) fused vertebrae at the base of the spine, the tailbone.
Definitions from Wiktionary.