twist drill

noun

: a drill having deep helical grooves extending from the point to the smooth portion of the shank

Illustration of twist drill

Illustration of twist drill

Examples of twist drill in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Mark the center of the diagonals with an awl and bore a pilot hole on the mark using a 9⁄64-inch twist drill bit. James Schadewald, Popular Mechanics, 3 July 2021

Word History

First Known Use

circa 1875, in the meaning defined above

Time Traveler
The first known use of twist drill was circa 1875

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Cite this Entry

“Twist drill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twist%20drill. Accessed 11 Sep. 2025.

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