Breastbone
This page is the CodyCross answer for the clue below from Welcome to Japan, Group 571, Puzzle 2 (Rotating Restaurant).
Question is: Breastbone
and the answer is: STERNUM
Word Meaning:
STERNUM — (anatomy) The breastbone, consisting of the manubrium, gladiolus, and xiphoid process.
Definitions from Wiktionary.