drill

a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)

similar to the mandrill but smaller and less brightly colored

systematic training by multiple repetitions

(military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms

An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press.

A small trickling stream; a rill.

A large African baboon (Cynocephalus leucophæus).

Same as Drilling.

make a hole, especially with a pointed power or hand tool

train in the military, e.g., in the use of weapons

learn by repetition

teach by repetition

undergo military training or do military exercises

To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal.

To practice an exercise or exercises; to train one's self.

To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum.

To trickle.