breechblock
noun Date: 1881 the block in breech-loading firearms that closes the rear of the barrel against the force of the charge and prevents gases from escaping

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Breechblock — Breech block, n. The movable piece which closes the breech of a breech loading firearm, and resists the backward force of the discharge. It is withdrawn for the insertion of a cartridge, and closed again before the gun is fired. [1913 Webster] …   The Collaborative International Dictionary of English

  • breechblock — [brēch′bläk΄] n. the block in a breech loading gun which when closed receives the force of the combustion of the charge …   English World dictionary

  • Breechblock — A breechblock (or breech block ) is the part of the firearm action that closes the breech of a weapon (whether small arms or artillery) at the moment of firing. Most modern small firearms use a rotating breechblock, better known as a bolt, first… …   Wikipedia

  • breechblock — /breech blok /, n. Ordn. a movable piece of metal for closing the breech in certain firearms. Also, breech block. [1880 85; BREECH + BLOCK] * * * …   Universalium

  • breechblock — noun The metal block that closes the breech of a breech loading gun after insertion of the cartridge …   Wiktionary

  • breechblock — n. metal part that closes the rear end of the barrel of a firearm …   English contemporary dictionary

  • breechblock — noun a metal block which closes the aperture at the breech of a rifle or gun barrel …   English new terms dictionary

  • breechblock — breech•block [[t]ˈbritʃˌblɒk[/t]] n. mil a movable piece of metal for closing the breech in certain firearms • Etymology: 1880–85 …   From formal English to slang

  • breechblock — /ˈbritʃblɒk/ (say breechblok) noun a movable piece of metal which closes the breech end of the barrel in certain firearms …   Australian English dictionary

  • breechblock — noun a metal block in breech loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing • Syn: ↑breech closer • Hypernyms: ↑blockage, ↑block, ↑closure, ↑occlusion, ↑stop, ↑stoppage …   Useful english dictionary

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