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drill
A tool used to remove material so as to create a hole, typically by plunging a rotating cutting bit into a stationary workpiece.
"Wear safety glasses when operating an electric drill."
The portion of a drilling tool that drives the bit.
"Use a drill with a wire brush to remove any rust or buildup."
An activity done as an exercise or practice (especially a military exercise), particularly in preparation for some possible future event or occurrence.
"Regular fire drills can ensure that everyone knows how to exit safely in an emergency."
To create (a hole) by removing material with a drill (tool).
"Drill a small hole to start the screw in the right direction."
To practice, especially in (or as in) a military context.
"They drilled daily to learn the routine exactly."
To cause to drill (practice); to train in military arts.
"The sergeant was up by 6:00 every morning, drilling his troops."
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