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breechblock

breechblock

9.9
A metal part inside a gun that opens to load and closes to fire
  • noun
  • /ˈbrēchˌbläk/
  • Specialized
translation icon : bloque de culata
  • The soldier carefully inspected the breechblock to ensure it was properly secured before firing the weapon.

Examples

  • During the maintenance check, the technician replaced the worn breechblock to improve the firearm's performance.

  • Its breechblock was steely and cool.

    Fiction book (1999)
  • When loading the rifle, he slid the breechblock into place with a satisfying click.

Synonyms

bolt
vsbreechblock
  • Specialized
21 9.1

A sliding metal part in a rifle that ejects and loads cartridges

focuses on moving to allow loading and closing rather than ejecting cartridges
breech closer
vsbreechblock
  • Specialized
9.9

A metal block that opens and closes the rear of a gun to allow loading a cartridge

has the same meaning and function but uses different wording

Surface Forms

breechblock singular
breechblocks plural

Etymology

Breechblock comes from two parts: breech, meaning the 'rear' or back part (as in old breeches, trousers), and block, meaning a 'piece that stops or closes'. So a breechblock is the metal block that closes the back of a gun's barrel and keeps it safe to fire.