Countersank

2 definitions found

From WordNet (r) 2.0 [wn]:

  countersank
       See {countersink}

From WordNet (r) 2.0 [wn]:

  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}]