COUNTERBORING

Verb

counterboring

present participle of counterbore

Noun

counterboring (plural counterborings)

A counterbore. (cylindrical recess)

Source: Wiktionary


COUNTERBORE

Coun"ter*bore` (-br`), n.

1. A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head.

2. A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth.

Coun`ter*bore" (koun`tr-br"), v. t.

Definition: To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

22 October 2024

EYELESS

(adjective) lacking eyes or eyelike features; “eyeless fish that evolved in dark caves”; “an eyeless needle”


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Coffee Trivia

The average annual yield from one coffee tree is the equivalent of 1 to 1 1/2 pounds of roasted coffee. It takes about 4,000 hand-picked green coffee beans to make a pound of coffee.

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