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English word
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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun countersink has 2 senses
- countersink(n = noun.artifact) - 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; is a kind of hole
- countersink(n = noun.artifact) counterbore, countersink bit - a bit for enlarging the upper part of a hole; is a kind of bit
Derived form verb countersink1
Verb countersink has 1 sense
- countersink(v = verb.contact) set - insert (a nail or screw below the surface, as into a countersink); is one way to bury, sink
Derived form noun countersink1
Sample sentence:
Somebody ----s something
CIDE DICTIONARY
countersink, v. t.
- 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 countersink a hole for a screw. [1913 Webster]
- To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork. [1913 Webster]
countersink, n.
- An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. [1913 Webster]" In the United States a flaring cavity formed by chamfering the edges of a round hole is called a countersink, while a cylindrical flat-bottomed enlargement of the mouth of the hole is usually called
a conterbore ." [1913 Webster] - A drill or cutting tool for countersinking holes. [1913 Webster]
OXFORD DICTIONARY
countersink, v.tr. (past and past part. -sunk)
1 enlarge and bevel (the rim of a hole) so that a screw or bolt can be inserted flush with the surface.
2 sink (a screw etc.) in such a hole.
1 enlarge and bevel (the rim of a hole) so that a screw or bolt can be inserted flush with the surface.
2 sink (a screw etc.) in such a hole.