Source : Webster's Revised Unabridged Dictionary (1913)

Threefold \Three"fold`\, a. [OE. [thorn]reofald; cf. AS.
   [thorn]r[=i]feald.]
   Consisting of three, or thrice repeated; triple; as,
   threefold justice.

         A threefold cord is not quickly broken.  --Eccl. iv.
                                                  12.

Source : WordNet®

threefold
     adj 1: three times as great or many; "a claim for treble (or
            triple) damages"; "a threefold increase" [syn: {treble},
             {triple}]
     2: having more than one decidedly dissimilar aspects or
        qualities; "a double (or dual) role for an actor"; "the
        office of a clergyman is twofold; public preaching and
        private influence"- R.W.Emerson; "every episode has its
        double and treble meaning"-Frederick Harrison [syn: {double},
         {dual}, {twofold}, {treble}]
     adv : by a factor of three; "our rent increased threefold in the
           past five years" [syn: {three times}]