Dictionary Check: countersink

"countersink" is a valid word!

Scrabble 17 points
Words with Friends 21 points

Definition

noun

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

noun

a bit for enlarging the upper part of a hole

verb

insert (a nail or screw below the surface, as into a countersink)

Synonyms:
set

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