Con-cōr'dat, n.
n. [Fr. concordat, It. concordato. See CONCORD.]
Sense 1. A compact, covenant, or agreement concerning any thing.
Sense 2. An agreement made between the pope and a sovereign or government for the regulation of ecclesiastical matters with which both are concerned; as, the concordat between Pope Leo X. and Francis I. of France, in 1516. Hook.