Source : Webster's Revised Unabridged Dictionary (1913)

Fiduciary \Fi*du"ci*a*ry\, n.
   1. One who holds a thing in trust for another; a trustee.

            Instrumental to the conveying God's blessing upon
            those whose fiduciaries they are.     --Jer. Taylor.

   2. (Theol.) One who depends for salvation on faith, without
      works; an Antinomian. --Hammond.

Source : WordNet®

fiduciary
     adj : relating to or of the nature of a legal trust (i.e. the
           holding of something in trust for another); "a
           fiduciary contract"; "in a fiduciary capacity";
           "fiducial power" [syn: {fiducial}]

fiduciary
     n : a person who holds assets in trust for a beneficiary; "it is
         illegal for a fiduciary to misappropriate money for
         personal gain"