Webster's Revised Unabridged Dictionary · 1913

Holograph

Holograph , noun

[Latin holographus entirely autograph, Greek "olo`grafos; "o`los whole + gra`fein to write: compare French holographe, olographe.]

1.
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.

holograph , transitive verb

To produce a holographic image of, by holography.