Definition of breechblock in English:

breechblock

Line breaks: breech|block

noun

  • A metal block which closes the aperture at the back part of a rifle or gun barrel.
    More example sentences
    • In addition to new breechblocks and hammers, the older extractor was replaced with a newer design.
    • Tip the end of the breechblock downward enough for the striker to slide out the back of the block.
    • The extractors eject the cartridge case and retain the breechblock in the fully open position.

More definitions of breechblock

Definition of breechblock in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody