breech-block

n steel block that closes the breech of a gun 枪闩; 炮闩

breastplate, breastwork, breath, breath test, breath-taking, breathalyse, breathalyser, breathe, breather, breathing, breathing-space, breathless, breathlessly, breathlessness, breathtaking, breathtakingly, breathy, bred, breech, breech birth, breeches, breeches-buoy, breed, breeder, breeder reactor, breeding, breeding-ground, breeze, breeze through, breeze-block, breezeway, breezily, breeziness, breezy, brethren, breve, breviary, brevity, brew, brew-up,