[fi.du.cia.ry] n, pl -ries (1631): one that holds a fiduciary relation or acts in a fiduciary capacity
[2]fiduciary adj [L fiduciarius, fr. fiducia confidence, trust, fr. fidere] (ca. 1641): of, relating to, or involving a confidence or trust: as a: held or founded in trust or confidence b: holding in trust c: depending on public confidence for value or currency "~ fiat money"