Lethal weapon
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A gun, sword, knife, pistol, or the like, when used within striking distance; and any other weapon is lethal or not according to its capability of producing death or great bodily harm in the manner in which it is used. See 17 Or. 300, 11 Am. St. Rep. 830, 20 Pac. 625.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910