Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun countersink

2 senses of countersink

Sense 1
countersink -- (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)
       => hole -- (an opening deliberately made in or through something)

Sense 2
counterbore, countersink, countersink bit -- (a bit for enlarging the upper part of a hole)
       => bit -- (the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb countersink

1 sense of countersink

Sense 1
set, countersink -- (insert (a nail or screw below the surface, as into a countersink))
       => bury, sink -- (embed deeply; "She sank her fingers into the soft sand"; "He buried his head in her lap")

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