Source : Webster's Revised Unabridged Dictionary (1913)

Sevenfold \Sev"en*fold`\, a.
   Repeated seven times; having seven thicknesses; increased to
   seven times the size or amount. ``Sevenfold rage.'' --Milton.

Sevenfold \Sev"en*fold`\, adv.
   Seven times as much or as often.

         Whosoever slayeth Cain, vengeance shall be taken on him
         sevenfold.                               --Gen. iv. 15.

Source : WordNet®

sevenfold
     adj : having seven units or components [syn: {septuple}]
     adv : seven times; "the population of this village increased
           sevenfold in the past 100 years"