Webster's Revised Unabridged Dictionary · 1913

Boring

Boring ({not transcribed}) , noun

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.
One of the most important applications of boring is in the formation of artesian wells. — Tomlinson
2.
A hole made by boring.
3.
The chips or fragments made by boring.
Collocations (2)
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