countersank countersank

Definition(s):

  1. (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
  2. (n) a bit for enlarging the upper part of a hole
  3. (v) insert (a nail or screw below the surface, as into a countersink)

Synonym(s)

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subordinate subordinate
/sə ˈbɔr də ˌneɪt /