'Mahdi' definitions:

Definition of 'Mahdi'

From: WordNet
noun
(Islam) a messianic leader who (according to popular Muslim belief) will appear before the end of the world and restore justice and religion

Definition of 'Mahdi'

From: GCIDE
  • Mahdi \Mah"di\, n. [Ar., guide, leader.] Among Mohammedans, the last imam or leader of the faithful. The Sunni, the largest sect of the Mohammedans, believe that he is yet to appear. [1913 Webster]
  • Note: The title has been taken by several persons in countries where Mohammedanism prevails, -- notably by Mohammad Ahmed, who overran the Egyptian Sudan, and in
  • 1885 captured Khartum, his soldiers killing General Gordon, an Englishman, who was then the Egyptian governor of the region. [1913 Webster]