Pronunciation: (pûr'zhu, -shu), [key]
1. Also called Persian Empire. an ancient empire located in W and SW Asia: at its height it extended from Egypt and the Aegean to India; conquered by Alexander the Great 334–331b.c.
2. former official name (until 1935) of Iran.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.