vent-piece (English, noun)
expansion: vent-piece (plural vent-pieces)
Senses:
topics: engineering
firearms
government
military
natural-sciences
physical-sciences
politics
tools
war
weaponry
glosses: In a breechloading firearm, a vertical sliding block with a conical plug on its front surface to seal the firing chamber and close the breech.
Forms:
form: vent-pieces
tags: plural