SARCOPHAGUS, n. Among the Greeks a coffin which being made of a certain kind of carnivorous stone, had the peculiar property of devouring the body placed in it.
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.