Look up: countersink

1. countersink
   [n] - 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
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Countersink
   To counter bore a hole such that the head of a screw may sit flush with the surface.
   Found on http://www.diracdelta.co.uk/science/sour
   
   
3. countersink
   tapered cutter with straight flutes and included angles of 60 degrees,90 degrees,or 120 degrees(UK)or other angles(USA) Category: Mechanical engineering • to provide(a workpiece)with a conical hole or(the outer end of a hole)with a conical enlargement,so as to receive a centre or the hea...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. Countersink
   To cut a tapered recess that allows the head of a screw or bolt to lie flush with a surface.
   Found on http://www.victoriaplumb.com/bathroom_DI
   
   
5. Countersink
   Coun'ter·sink` (koun'tẽr*sĭnk`; 277) transitive verb [ imperfect & past participle Countersunk (-sŭnk`); present participle & verbal noun Countersinking .] 1. ...
   Found on http://www.encyclo.co.uk/webster/C/173
   
   
6. Countersink
   Coun'ter·sink` noun 1. An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. » In the United States a flaring cavity formed by chamfering the edges of a round hole is called a ...
   Found on http://www.encyclo.co.uk/webster/C/173
   
   
7. countersink
   verb insert (a nail or screw below the surface, as into a countersink)
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
8. Countersink
   • (n.) A drill or cutting tool for countersinking holes. • (n.) An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. • (v. t.) To chamfer or form a depression around the top of (a hole in wood, metal, etc.) for the recep...
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. Countersink
   An angular beveling or flaring of the end(s) of a hole, outer edge of a counterbore, or at the bottom of a counterbore, that does not extend to the OD or counterbore diameter
   Found on http://www.industrialnut.com/glossary_of
   
   
10. Countersink
    A `countersink` is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material. (By comparison, a counterbore make...
    Found on http://en.wikipedia.org/wiki/Countersink