Billet

n.
  1. A small stick of wood, as for firewood.
  2. (Metal.) A short bar of metal, as of gold or iron.
  3. (Arch.) An ornament in Norman work, resembling a billet of wood either square or round.
  4. (Saddlery) A bearing in the form of an oblong rectangle.
    1. A strap which enters a buckle.
    2. A loop which receives the end of a buckled strap.