Collarbone
This page is the CodyCross answer for the clue below from Medieval Times, Group 225, Puzzle 2 (Vassal and Suzerain).
Question is: Collarbone
and the answer is: CLAVICLE
Word Meaning:
CLAVICLE — (anatomy) The collarbone; the prominent bone at the top of the chest between the shoulder and the neck connecting the shoulder and the breastbone.
Definitions from Wiktionary.