Cartilage Lining One's Shoulder Joint
This page is the CodyCross answer for the clue below from Campsite Adventures, Group 840, Puzzle 3 (Nocturnal Creatures).
Question is: Cartilage Lining One's Shoulder Joint
and the answer is: LABRUM
Word Meaning:
LABRUM — (entomology, zootomy) The uppermost of the mouthparts (trophi) of a typical insect, such as a cockroach. Typically resembles an upper lip and forms part of the roof of the mouth in such insects.
Definitions from Wiktionary.