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Drill (?), v. t. [imp. & p. p. Drilled (?); p. pr. & vb. n. Drilling.] [D. drillen to bore, drill (soldiers); probably akin to AS. pyrlian, pyrelian, to pierce. See Thrill.]
1. 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.”
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2. To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline.
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He [Frederic the Great] drilled his people, as he drilled his grenadiers. Macaulay.
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Drilling, n.
1. The act of piercing with a drill.
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2. A training by repeated exercises.
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Drilling, n. The act of using a drill in sowing seeds.
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Drilling, n. [G. drillich, fr. L. trilix having three threads, fr. the of tres three + licium a thread of the warm. See Three, and cf. Twill.] (Manuf.) A heavy, twilled fabric of linen or cotton.
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