countersink, n.
(countersinks)
(countersinks)
a bit for enlarging the upper part of a hole
<noun.artifact>
counterbore countersink countersink bit
semantic pointers
hypernym
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.artifact>
countersink
lexical pointers
derivationally related form
semantic pointers
hypernym