Scurf

Part of speech: noun (n.)

1. Thin dry scales or scabs upon the body; especially, thin scales exfoliated from the cuticle, particularly of the scalp; dandruff.

2. Hence, the foul remains of anything adherent. The scurf is worn away of each committed crime. Dryden.

3. Anything like flakes or scales adhering to a surface. There stood a hill not far, whose grisly top Belched fire and rolling smoke; the rest entire Shone with a glossy scurf. Milton.

4. Minute membranous scales on the surface of some leaves, as in the goosefoot. Gray.