flake, refuse

Concise Bible Dictionary:

The parts of an animal's skin that hang down, or hang in folds, or that join close together, as the outside of a crocodile (Job 41:2323The flakes of his flesh are joined together: they are firm in themselves; they cannot be moved. (Job 41:23)).
Iguana

Strong’s Dictionary of Hebrew Words:

Number:
4651 (find all occurrences in KJV Bible)
Transliteration:
mappal
Phonic:
map-pawl’
Meaning:
from 5307; a falling off, i.e. chaff; also something pendulous, i.e. a flap
KJV Usage:
flake, refuse