What is the meaning of Casus?

A possible world, as a starting point for reasoning.

spy

A legal case.

A case, occurrence, instance, especially used for a case study, reference or teaching example.

A case, (instance of) grammatical case.

A coincidence.

a fall, downwards movement

accident, chance

an event, happening, occurrence

misfortune, disaster, destruction, accident

A case, termination

Alternative spelling of kazus

spy

spy

Source: wiktionary.org