Source : Webster's Revised Unabridged Dictionary (1913)

Fidiciary \Fi*di"ci*a*ry\ (? or ?), a. [L. fiduciarus, fr.
   fiducia: cf. F. fiduciaire. See {Fiducial}.]
   1. Involving confidence or trust; confident; undoubting;
      faithful; firm; as, in a fiduciary capacity. ``Fiduciary
      obedience.'' --Howell.

   2. Holding, held, or founded, in trust. --Spelman.