DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   cleat
       n 1: a metal or leather projection (as from the sole of a shoe);
            prevents slipping
       2: a fastener (usually with two projecting horns) around which a
          rope can be secured
       3: a strip of wood or metal used to strengthen the surface to
          which it is attached
       v 1: provide with cleats; "cleat running shoes for better
            traction"
       2: secure on a cleat; "cleat a line"