'Concordat' definitions:

Definition of 'concordat'

From: WordNet
noun
A signed written agreement between two or more parties (nations) to perform some action [syn: covenant, compact, concordat]

Definition of 'Concordat'

From: GCIDE
  • Concordat \Con*cor"dat\, n. [F. concordat, L. concordato, prop. p. p. of concordare. See Concord.]
  • 1. A compact, covenant, or agreement concerning anything. [1913 Webster]
  • 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 Pius VII and Bonaparte in 1801. --Hook. [1913 Webster]