زعف

زُعَافٌ ذ , applied to poison, like زُؤَافٌ (S, K) and ذُعَافٌ [meaning Quick in its effect ]; and in like manner applied to death: (S:) and ↓ مُزْعِفٌ, applied to death, and to a sword, that will not suffer one to linger; killing on the spot; (K;) as applied to a sword, thus expl. by As; as applied to death, expl. by Skr as meaning quick. (TA.)