“casus”

The following 3 entries include the term casus.

casus belli

noun

: an event or action that justifies or allegedly justifies a war or conflict

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casus foederis

noun

: a case or event covered by the provisions or stipulations of a treaty or compact

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casus fortuitus

noun

: an accident or chance : an inevitable accident compare act of god

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Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
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Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
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Another Great British Vocabulary Quiz, Innit? A double-decker quiz with words from across the pond