Scurf /(?)/

Scurf

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.
  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.
  4. Minute membranous scales on the surface of some leaves, as in the goosefoot. (Bot.)