noun (n)

• (botany) a covering that resembles scales or bran that covers some plant parts(noun.object)

  source: wordnet30
• a thin flake of dead epidermis shed from the surface of the skin(noun.object)

  Synonym:
  exfoliation, scale
  

  source: wordnet30
• Thin dry scales or scabs upon the body; especially, thin scales exfoliated from the cuticle, particularly of the scalp; dandruff.(noun)

  source: webster1913