(1):
(n.) Thin dry scales or scabs upon the body; especially, thin scales exfoliated from the cuticle, particularly of the scalp; dandruff.
(2):
(n.) Hence, the foul remains of anything adherent.
(3):
(n.) Anything like flakes or scales adhering to a surface.
(4):
(n.) Minute membranous scales on the surface of some leaves, as in the goosefoot.