- something that threatens war; a harbinger of conflict.
Origin of war cloud
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for war cloud
The war-cloud was heavy over Europe, and great was the excitement in Berlin.In and Around Berlin
Minerva Brace Norton
The war-cloud had settled on the isthmus of Schleswig-Holstein.Chats on Royal Copenhagen Porcelain
A sort of war-cloud again puzzled the sight of the observers.Whilomville Stories
When the war-cloud burst every German was promptly expelled from Antwerp.Fighting in Flanders
E. Alexander Powell
When McClellan was on the Peninsula, the shadow of the war-cloud swept past the place.The Boys of '61
Charles Carleton Coffin.