Boring

Bor·ing

Boring

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.
    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.

Phrases & Compounds

Boring bar
a revolving or stationary bar, carrying one or more cutting tools for dressing round holes.
Boring tool
a cutting tool placed in a cutter head to dress round holes.