Bore

Bore or Bores often refer to: Boredom Drill

==Relating to holes== Boring (earth), cutting a hole into the earth Boring (manufacturing), a machining process that enlarges a hole Bore (engine), the diameter of a cylinder in a piston engine or a steam locomotive Bore (wind instruments), the interior chamber of a wind instrument Nominal bore, a pipe size standard Water well, known as a water bore in Australia The hollow lumen of a gun barrel Gauge (firearms), the inner diameter of the barrel of a firearm