Dictionary
Mah•di
Pronunciation: (mä'dē), [key]—
n.,
—pl. -dis.
1. the Muslim messiah, an expected spiritual and temporal ruler destined to establish a reign of righteousness throughout the world.
2. any of various claimants to this role, esp. Muhammad Ahmed, who established an independent government in the Anglo-Egyptian Sudan that lasted until 1898.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.