from The Century Dictionary and Cyclopedia
- n. The parts comprised in the breech of a gun; specifically, the machanical device for opening and closing the breech of a gun in loading and firing.
Sorry, no etymologies found.
But Sergeant Walpole picked up one of the two rifles, blew sand out of the breech-mechanism, and started off after the metal monster.
But when they reached the earthen throne again at last, and had hoisted the fakir back in position on it, there had been no casualties, and the morale of the men in Sergeant Brown's command was as good again as the breech-mechanism of the rifles in his charge.
Amidst the loud and discordant vociferations of the native boatmen the troops boarded the broad, shallow-drafted surf boats, each man having the breech-mechanism of his rifle carefully wrapped in oiled canvas to prevent injury from salt water.
And then, suddenly becoming intent again on the matter in hand, he slammed the breech-mechanism shut and gave the enemy a six-inch shell.
Vickers-Maxim field guns, taking fixed ammunition, having practically no recoil, and with a much improved breech-mechanism.