Definition of 'countersink'

You searched for countersunk

Noun

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
      Synonyms: counterbore countersink bit

Verb

1. insert (a nail or screw below the surface, as into a countersink)
      Synonyms: set

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