Definition of "drilling" []

• Present participle of drill. (verb)
• Act of drilling. (noun)
• A heavy, twilled fabric of linen or cotton; drill. (noun)
• A long firearm with three (or rarely, four) barrels. (noun)

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• "With the aggressive backing of the Bush administration, many members of Congress and the energy industry, at least a sixfold expansion in drilling is likely here in the coming decade."
• "The definition drilling at both the east and west designed pit areas continues to intersect wide intervals of iron formation containing distinct zones of high-grade, coarse-grained, specular hematite-rich mineralization."
• "Fred Brackebusch, President of New Jersey Mining commented, The definition drilling being conducted for the open pit resource is yielding results better than I expected based on Newmont's widely spaced reverse-circulation drilling done in 1988 and 1989."