1. countersink, hole

usage: 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. counterbore, countersink, countersink bit, bit

usage: a bit for enlarging the upper part of a hole


1. set, countersink, bury, sink

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

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See also: countersink (Dictionary)