The Collaborative International Dictionary
Boring tool
Boring \Bor"ing\, n.
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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.
One of the most important applications of boring is in the formation of artesian wells.
--Tomlinson. A hole made by boring.
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pl. The chips or fragments made by boring.
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.
Usage examples of "boring tool".
The volcanic rock that made up its rounded sides was almost as smooth as if it had been polished by some immense boring tool.