from the GNU version of the Collaborative International Dictionary of English

  • n. a portable drilling machine, provided with a breastplate, for forcing the drill against the work.
  • n.

from The Century Dictionary and Cyclopedia

  • n. In mech., a drill-stock operated by a crank and bevel gearing, and having a piece against which the workman bears his breast when engaged in drilling.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a portable drill with a plate that is pressed against the chest to force the drill point into the work


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