Dictionary

breechblock

noun breech·block \ˈbrēch-ˌbläk\

Definition of BREECHBLOCK

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

First Known Use of BREECHBLOCK

1881

Browse

Next Word in the Dictionary: breechclothPrevious Word in the Dictionary: breechAll Words Near: breechblock
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears