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Like a hand drill except heavier and with a plate at the top that could be pressed against to increase pressure on the bit.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan
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|Noun||1.||breast drill - a portable drill with a plate that is pressed against the chest to force the drill point into the work|
drill - a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
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