The Collaborative International Dictionary of English v.0.48:

Boring \Bor"ing\, n.
   1. The act or process of one who, or that which, bores; as,
      the boring of cannon; the boring of piles and ship timbers
      by certain marine mollusks.
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            One of the most important applications of boring is
            in the formation of artesian wells.   --Tomlinson.
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   2. A hole made by boring.
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   3. pl. The chips or fragments made by boring.
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   Boring bar, a revolving or stationary bar, carrying one or
      more cutting tools for dressing round holes.

   Boring tool (Metal Working), a cutting tool placed in a
      cutter head to dress round holes. --Knight.
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