countersink
1coun·ter·sink
transitive verb \ˈkau̇n-tər-ˌsiŋk\coun·ter·sunk\-ˌsəŋk\coun·ter·sink·ing
Definition of COUNTERSINK
1
: to make a countersink on (a hole)
2
: to set the head of (as a screw) at or below the surface
First Known Use of COUNTERSINK
1816
Rhymes with COUNTERSINK
2countersink
nounDefinition of COUNTERSINK
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
First Known Use of COUNTERSINK
1816
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