Source : Webster's Revised Unabridged Dictionary (1913)

Holograph \Hol"o*graph\, n. [L. holographus entirely autograph,
   Gr. "olo`grafos; "o`los whole + gra`fein to write: cf. F.
   holographe, olographe.]
   A document, as a letter, deed, or will, wholly in the
   handwriting of the person from whom it proceeds and whose act
   it purports to be.

Source : WordNet®

holograph
     n 1: handwritten book or document [syn: {manuscript}]
     2: the intermediate photograph (or photographic record) that
        contains information for reproducing a three-dimensional
        image by holography [syn: {hologram}]