driller


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drill 1

 (drĭl)
n.
1.
a. An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows; a bit.
b. The hand-operated or hand-powered holder for this implement.
c. A loud, harsh noise made by or as if by a powered tool of this kind.
2.
a. Disciplined, repetitious exercise as a means of teaching and perfecting a skill or procedure.
b. A task or exercise for teaching a skill or procedure by repetition: conducted an air-raid drill; a drill for learning the multiplication tables.
3. The training of soldiers in marching and the manual of arms.
4. Any of various marine gastropod mollusks, chiefly of the genus Urosalpinx, that bore holes into the shells of bivalve mollusks. U. cinera is destructive to oysters.
v. drilled, drill·ing, drills
v.tr.
1.
a. To make a hole in (a hard material) with a drill: a bit for drilling masonry.
b. To make (a hole) with or as if with a drill: drills holes in trees with its chisellike bill.
2. To strike or hit sharply: The batter drilled a single through the infield.
3.
a. To instruct thoroughly by repetition in a skill or procedure: drill pupils in grammar.
b. To infuse knowledge of or skill in by repetitious instruction: drilled the correct spellings into the students' heads. See Synonyms at teach.
4. To train (soldiers) in marching and the manual of arms.
v.intr.
1. To make a hole with or as if with a drill.
2. To perform a training exercise.
Phrasal Verb:
drill down
To view data or other information at a more detailed level: business software that allows users to drill down from annual to monthly sales figures.

[Obsolete Dutch dril, from drillen, to bore, from Middle Dutch drillen; see terə- in Indo-European roots.]

drill′er n.

drill 2

 (drĭl)
n.
1. A shallow trench or furrow in which seeds are planted.
2. A row of planted seeds.
3. A machine or implement for planting seeds in holes or furrows.
tr.v. drilled, drill·ing, drills
1. To sow (seeds) in rows.
2. To plant (a field) in drills.

[Perhaps from drill, rill, from Middle English drille, sip.]

drill 3

 (drĭl)
n.
Durable cotton or linen twill of varying weights, generally used for work clothes.

[Short for drilling, alteration of German Drillich, from Middle High German drilich, threefold, fabric woven with three threads, from Old High German drilīh, alteration (influenced by drī, three, -līh, adj. suff.) of Latin trilīx, triple-twilled; see trellis.]

drill 4

 (drĭl)
n.
A large monkey (Mandrillus leucophaeus) of west-central African forests, having an olive brown body and a brightly colored face and resembling the mandrill.

[Possibly of West African origin.]
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References in periodicals archive ?
Jose de Jesus Morales Yebra, age 22, was working as a driller's helper with a senior driller installing roof bolts in the Plateros section of the mine when a part of the roof collapsed.
This year's program began with opening remarks from Mike Mann, Ohio Department of Natural Resources, and John Capers, Austin Powder, and included topics covering regulatory updates; geology; spacing calculations; community relations; and driller and blaster communications.
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Denying Midland-based driller Southwest Royalties' request for a refund, the court ruled that state law did not exempt its metal pipes, tubing and other equipment used in oil and gas extraction exempt from sales taxes.
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We have learnt a lot in this programme, from working as a roustabout, floor man, tester and finally to work as an assistant driller. I feel very happy," he said.
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Northern College announced that the latest batch of surface diamond driller assistants graduated March 27 from the Kirkland Lake campus.