Kotbelka

thumb|upright=1.7|An anchor secured to the ship's side. The projecting beam the anchor hangs from when not secured is a cathead (left). The anchor has a stock (cross-piece, in this case wooden) below, and curved flukes above (end-on); the shank is the near-vertical metal bar running between them, lashed with the shank painter thumb|Cathead on bow of the barque ; the cat tail protrudes onto the deck and is fastened to the cat-beam. thumb|The 17th century warship with cathead visible upper middle right A cathead is a large wooden beam located on either side of the bow of a sailing ship, and angl