casus belli noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of casus belli noun from the Oxford Advanced American Dictionary

casus belli

noun

NAmE//ˌkɑsəs ˈbɛli//

, NAmE//ˌkeɪsəs ˈbɛlaɪ//

(pl. casus belli) (formal)

an act or situation that is used to justify a war

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