Wiktionary
war horn
n. (alternative form of war-horn English)
Usage examples of "war horn".
And above this din pealed the wild cry of a hom of Valon, but above all belled the great golden command of Durek's mighty War Horn.
For over a week he had sat each night in his father's chair with the War Horn of Riven on his knees, not listening to the old men-his father's counselors-nor the young men-his friends-as they urged him to sound the horn and ride to war.
He raised his war horn to his lips, blew once, and all around him, others did the same.