DICT.TW Dictionary Taiwan

 countersank
      See countersink

 countersink
      n 1: a hole (usually in wood) with the top part enlarged so that
           a screw or bolt will fit into it and lie below the
           surface
      2: a bit for enlarging the upper part of a hole [syn: counterbore,
          countersink bit]
      v : insert (a nail or screw below the surface, as into a
          countersink) [syn: set]
      [also: countersunk, countersank]