Countersink

[Coun·ter*sink`]

Insert (a nail or screw below the surface, as into a countersink)

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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.

Noun
a bit for enlarging the upper part of a hole

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

Verb
insert (a nail or screw below the surface, as into a 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.

v. t.
To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork.

n.
An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.

n.
A drill or cutting tool for countersinking holes.


Countersink

Coun"ter*sink` (koun"t?r-s??k`; 277), v. t. [imp. & p. p. Countersunk (-sk`); p. pr. & vb. n. Countersinking.] 1. 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. 2. To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork.

Countersink

Coun"ter*sink`, n. 1. An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. &hand; 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. 2. A drill or cutting tool for countersinking holes.

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.

An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt.

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Usage Examples
Misspelled Form

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