breech closer is a noun meaning "a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing". It carries one recorded sense.
a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
Definitions, synonyms and semantic relations for breech closer come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.