Pronunciation: (kā'sus bel'ī, bel'ē; Lat. kä'soos bel'lē), [key]
—pl. ca•sus bel•liPronunciation: (kā'sus bel'ī, bel'ē; Lat. kä'sOOs bel'lē). [key]
an event or political occurrence that brings about a declaration of war.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.