Meaning

• 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."

• Any of several molluscs, of the genus Urosalpinx, especially the oyster drill (Urosalpinx cinerea), that drill holes in the shells of other animals.

• A style of trap music with gritty, violent lyrics, originating on the South Side of Chicago.

Meaning

• 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."

• To repeat an idea frequently in order to encourage someone to remember it.

  "The instructor drilled into us the importance of reading the instructions."

• To investigate or examine something in more detail or at a different level

  "Drill deeper and you may find the underlying assumptions faulty."

• To hit or kick with a lot of power.

• To hit someone with a pitch, especially in an intentional context.

• To have sexual intercourse with; to penetrate.