cleat

(noun) a metal or leather projection (as from the sole of a shoe); prevents slipping.

(noun) a fastener (usually with two projecting horns) around which a rope can be secured.

(noun) a strip of wood or metal used to strengthen the surface to which it is attached.

(verb) provide with cleats. Example: "Cleat running shoes for better traction."

(verb) secure on a cleat. Example: "Cleat a line."