Definitions of cleat:

• noun:   a strip of wood or metal used to strengthen the surface to which it is attached
• noun:   a fastener (usually with two projecting horns) around which a rope can be secured
• noun:   a metal or leather projection (as from the sole of a shoe); prevents slipping
• verb:   provide with cleats

  Example: "Cleat running shoes for better traction"

• verb:   secure on a cleat

  Example: "Cleat a line"