Back-bond
Also found in: Wikipedia.
BACK-BOND. A bond given by one to a surety, to indemnify such surety in case of loss. In Scotland, a back-bond is an instrument which, in conjunction with another which gives an absolute disposition, constitutes a trust. A declaration of trust.
A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.