Dead Skin at the Base of a Fingernail
This page is the CodyCross answer for the clue below from Water Park, Group 741, Puzzle 4 (Lifeguards).
Question is: Dead Skin at the Base of a Fingernail
and the answer is: CUTICLE
Word Meaning:
CUTICLE — The outermost layer of the skin of vertebrates; the epidermis.
Definitions from Wiktionary.