breechblock (English, noun)
expansion: breechblock (plural breechblocks)
Senses:
topics: engineering
firearms
government
military
natural-sciences
physical-sciences
politics
tools
war
weaponry
glosses: The metal block that closes the breech of a breech-loading gun after insertion of the cartridge.
Forms:
form: breechblocks
tags: plural
form: breech block
tags: alternative