Fi‐du″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.