Casus Belli Definition

kāsəs bĕlī, käsəs bĕlē
An event provoking war or used as a pretext for making war.
Webster's New World

Origin of Casus Belli

  • New Latin cāsus bellī Latin cāsus occasion Latin bellī genitive of bellum war

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin casus (“case”) + belli (“of war”).

    From Wiktionary

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casus belli