(n)United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836), Syn.Aaron Burr
[ See Exodus vii. 9 and Numbers xvii. 8 ] 1. (Arch.) A rod with one serpent twined around it, thus differing from the caduceus of Mercury, which has two. [ 1913 Webster ]
2. (Bot.) A plant with a tall flowering stem; esp. the great mullein, or hag-taper, and the golden-rod. [ 1913 Webster ]