An event; an occurrence; an occasion; a combination of circumstances; a case; an act of God. See the Note under accident.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "casus" in a sentence
"At last, after no end of 'casus' and 'discrimina rerum', I shall sail on Saturday the 10th, per ship Camperdown, for East India"
"The worst threat at this G20 summit was a remark by French President Nicolas Sarkozy that he would walk out if there was not better regulation of banks and financial markets, not exactly the kind of casus belli that plunged Europe into war nearly 100 years ago."
"Then they sat down to a three-cornered game of 'cut-throat,' -- a proceeding which did away with all casus belli for future hostilities, and permitted the victor to depart on a most important mission."