Source : Webster's Revised Unabridged Dictionary (1913)

Clout \Clout\, n. [AS. cl[=u]t a little cloth, piece of metal;
   cf. Sw. klut, Icel. kl[=u]tr a kerchief, or W. clwt a clout,
   Gael. clud.]
   1. A cloth; a piece of cloth or leather; a patch; a rag.

            His garments, nought but many ragged clouts, With
            thorns together pinned and patched was. --Spenser.

            A clout upon that head where late the diadem stood.
                                                  --Shak.

   2. A swadding cloth.

   3. A piece; a fragment. [Obs.] --Chaucer.

   4. The center of the butt at which archers shoot; -- probably
      once a piece of white cloth or a nail head.

            A'must shoot nearer or he'll ne'er hit the clout.
                                                  --Shak.

   5. An iron plate on an axletree or other wood to keep it from
      wearing; a washer.

   6. A blow with the hand. [Low]

   {Clout nail}, a kind of wrought-iron nail heaving a large
      flat head; -- used for fastening clouts to axletrees,
      plowshares, etc., also for studding timber, and for
      various purposes.

Source : WordNet®

clout nail
     n : a short nail with a flat head; used to attach sheet metal to
         wood [syn: {clout}]