WordNet (r) 3.0 (2006):

Alexander Selkirk
    n 1: Scottish sailor who was put ashore on a deserted island off
         the coast of Chile for five years (providing the basis for
         Daniel Defoe's novel about Robinson Crusoe) (1676-1721)
         [syn: Selkirk, Selcraig, Alexander Selkirk,
         Alexander Selcraig]