countersink
verb
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countersinking
Definition of countersink
(Entry 1 of 2)
1 : to make a countersink on (a hole)
2 : to set the head of (something, such as a screw) at or below the surface
countersink
nounDefinition of countersink (Entry 2 of 2)
1 : a bit or drill for making a funnel-shaped enlargement at the outer end of a drilled hole
2 : the enlargement made by a countersink
Illustration of countersink
Noun
countersink 1
In the meaning defined above
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