Peel refers to a long-handled, usually wooden, paddle used by bakers in many parts of the world to transfer breads in and out of hot ovens.

Probably from the French word pelle, meaning "spade."

See also:
"Peel" is in the HS Code "0814"
  Peel of citrus fruit or melons (including watermelons), fresh, frozen, dried or provisionally preserved in brine, in sulphur water or in other preservative solutions