Source : Webster's Revised Unabridged Dictionary (1913)

Presignify \Pre*sig"ni*fy\, v. t. [imp. & p. p. {Presignified};
   imp. & p. p. {Presignifying}.] [L. praesignificare; prae
   before + significare to signify.]
   To intimate or signify beforehand; to presage.