Deculassement
De`cu`lasse`ment´
n. | 1. | (Ordnance) An accidental blowing off of, or other serious damage to, the breechblock of a gun; also, a removal of the breechblock for the purpose of disabling the gun. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.