The Collaborative International Dictionary of English v.0.48:

Gandhi \Gandhi\ adj.
   Mohandas Gandhi, a Hindu nationalist and religious leader,
   who preached non-violent resistance to oppression.
   [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

Gandhi
    n 1: daughter of Nehru who served as prime minister of India
         from 1966 to 1977 (1917-1984) [syn: Gandhi, Indira
         Gandhi, Indira Nehru Gandhi, Mrs. Gandhi]
    2: political and spiritual leader during India's struggle with
       Great Britain for home rule; an advocate of passive
       resistance (1869-1948) [syn: Gandhi, Mahatma Gandhi,
       Mohandas Karamchand Gandhi]