||Dé`cu`lasse`ment" (?), n. [F.] Also, sometimes, Anglicized Dec`u*lass"ment (&?;). (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.
Deer"stalk`er (?), n. A close- fitting hat, with a low crown, such as is worn in deerstalking; also, any stiff, round hat. [Eng.]
De*fect"ive (?), n. 1. Anything that is defective or lacking in some respect.