D defs.my
Entry 1 sense Webster, 1913

Casus

· Ca·sus · IPA
01 n. An event; an occurrence; an occasion; a combination of circumstances; a case; an act of God. See the Note under Accident.
  1. 1.
    An event; an occurrence; an occasion; a combination of circumstances; a case; an act of God. See the Note under Accident. See: Accident
Phrases & compounds
Casus belli — an event or combination of events which is a cause war, or may be alleged as a justification of war.
Casus fortuitus — an accident against which due prudence could not have provided. See Act of God, under Act.
Casus omissus — a case not provided for by the statute.