CASUS FOEDERIS

casus foederis (kay-s<<schwa>>s fed-<<schwa>>r-is). [Latin “the case of the treaty” or “the case of the agreement”] 1.Int’l law. A provocative act by one nation toward another, entitling the latter to call upon an ally to fulfill the terms of an alliance. 2. A clause within a treaty of alliance specifying such provocative acts. 3.Contracts. A case or an event falling within the terms of a contract. [Blacks Law 8th]