Definitions for

Overview of noun breechblock

The noun breechblock has 1 senses? (no senses from tagged texts)
1. breechblock, breech closer

(a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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