'Boring bar' definitions:

Definition of 'Boring bar'

From: GCIDE
  • 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. [1913 Webster]
  • One of the most important applications of boring is in the formation of artesian wells. --Tomlinson. [1913 Webster]
  • 2. A hole made by boring. [1913 Webster]
  • 3. pl. The chips or fragments made by boring. [1913 Webster]
  • 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. [1913 Webster]