Definition of fiducia
plural fiduciae
\-shēˌē\
: a contract used under Roman and civil law (as in the emancipation of children, in connection with testamentary gifts, and in pledges) and constituting essentially a contract of sale to a person usually by mancipation coupled with an agreement that the purchaser should sell the property back upon the fulfillment of certain conditions — called also
contractus fiduciae
