Pronunciation: (shō'gun, -gun), [key]
—n. Japanese Hist.
the title applied to the chief military commanders from about the 8th centurya.d.to the end of the 12th century, then applied to the hereditary officials who governed Japan, with the emperor as nominal ruler, until 1868, when the shogunate was terminated and the ruling power was returned to the emperor. Also,shō'gun.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.