from the GNU version of the Collaborative International Dictionary of English
- n. The mechanism for closing the breech of a breech-loading firearm, in artillery consisting principally of the breechblock, obturator, and carrier ring.
from The Century Dictionary and Cyclopedia
- n. A mechanism for closing the bore or chamber of a breech-loading small-arm or cannon; a breech-closing apparatus.
Sorry, no etymologies found.