ETYM Old Eng. clete wedge; cf. Dutch kloot ball, German kloss, klotz, lump. clod, Mid. High Germ. klôz lump, ball, wedge, Old High Germ. chlôz ball, round mass.
1. A fastening (usually with two projecting horns) around which a rope can be secured.
2. A metal or leather projection (as from the sole of a shoe); prevents slipping.
3. Angle iron used as a bracket.

1. To provide with cleats, as of running shoes.
2. To secure on a cleat.