breechblock
breechblock has 2 senses in the JumbleFix dictionary. Letters: 11.
Definitions
- n.. The movable piece which closes the breech of a breech-loading firearm, and resists the backward force of the discharge. It is withdrawn for the insertion of a cartridge, and closed again before the gun is fired.
- n.. a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing