The Collaborative International Dictionary of English v.0.48:

Biography \Bi*og"ra*phy\, n.; pl. Biographies. [Gr. ?; bi`os
   life + ? to write: cf. F. biographie. See Graphic.]
   1. The written history of a person's life.
      [1913 Webster]

   2. Biographical writings in general.
      [1913 Webster] Biologic

WordNet (r) 3.0 (2006):

biography
    n 1: an account of the series of events making up a person's
         life [syn: biography, life, life story, life
         history]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "biography":
   Clio, Muse of history, adventures, annals, autobiography,
   biographical sketch, case history, chronicle, chronicles,
   chronology, confessions, curriculum vitae, diary, experiences,
   fortunes, hagiography, hagiology, historiography, history, journal,
   legend, letters, life, life and letters, life story, martyrology,
   memoir, memoirs, memorabilia, memorial, memorials, necrology, obit,
   obituary, photobiography, profile, record, resume, story,
   theory of history