1. a medieval trumpet with a clear, shrill sound
Usage: historical
2. a loud, clear sound or call

1. loud and clear

Examples

• The knight heard the clarion call to battle.
• A clarion voice rang out across the valley.
• The clarion sound of the bell echoed through the town.
• She spoke with clarion clarity about the issue.
• The clarion notes of the bugle woke the soldiers.
• His clarion call for justice inspired many followers.