What is the meaning of countersink?

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  • 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.
  • A bit for enlarging the upper part of a hole.


  • Insert (a nail or screw below the surface, as into a countersink. ).
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APAWordNet. (2010). countersink. Retrieved February 20, 2017, from http://smartdefine.org/countersink/definitions/1202988
ChicagoWordNet. 2010. "countersink" http://smartdefine.org/countersink/definitions/1202988 (accessed February 20, 2017).
HarvardWordNet 2010, countersink, Smart Define, viewed 20 February, 2017, <http://smartdefine.org/countersink/definitions/1202988>.
MLAWordNet. "countersink" 23 October 2010. Web. 20 February 2017. <http://smartdefine.org/countersink/definitions/1202988>
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