English dictionary
countersink
/'k/&//U/nt/@/,s/I//N/k/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
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
Source: WordNet 3.0
-
a bit for enlarging the upper part of a hole
Source: WordNet 3.0
-
An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.
Source: webster1913
verb
-
insert (a nail or screw below the surface, as into a countersink)
Synonyms setSource: WordNet 3.0
-
To chamfer or form a depression around the top of (a hole in wood, metal, etc.) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to <i>countersink</i> a hole for a screw.
Source: webster1913