WordNet (r) 3.0 (2006):

William Pitt
    n 1: English statesman and son of Pitt the Elder (1759-1806)
         [syn: Pitt, William Pitt, Second Earl of Chatham,
         Pitt the Younger]
    2: English statesman who brought the Seven Years' War to an end
       (1708-1778) [syn: Pitt, William Pitt, First Earl of
       Chatham, Pitt the Elder]