SCEPTER, n. A king's staff of office, the sign and symbol of his authority. It was originally a mace with which the sovereign admonished his jester and vetoed ministerial measures by breaking the bones of their proponents.
Source: The Devil's Dictionary, 1911.
-- Ambrose Bierce, (Jun 24 1842-1914), US journalist, short-story writer; He was a noted wit, satirist and sardonic short story writer who disappeared while covering the Mexican revolution.