bore1

 
Pronunciation: /bɔː/

verb

  • 1 [with object] make (a hole) in something with a tool or by digging: bore a hole in the wall to pass the cable through [no object]: the drill can bore through rock figurative his eyes bored into hers
  • hollow out (a gun barrel or other tube): an 1100 cc road bike bored out to 1168 cc
  • 2 [no object] (of an athlete or racehorse) push another competitor out of the way.

noun

  • 1the hollow part inside a gun barrel or other tube.
  • [often in combination] the diameter of a bore; the calibre: a small-bore rifle
  • [in combination] a gun of a specified bore: he shot a guard in the leg with a twelve-bore

Origin:

Old English borian (verb), of Germanic origin; related to German bohren