a. Daring or warlike. [ Obs. ] [ 1913 Webster ]
Drad for his derring doe and bloody deed. Spenser. [ 1913 Webster ]
n. brave and heroic deeds. [ WordNet 1.5 ]
n. [ From the American inventor. ] A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball. [ 1913 Webster ]