1. loud electric horns or warning devices that produce a harsh, penetrating sound

Examples

• The fire truck’s klaxons wailed as it raced through the city streets.
• Emergency klaxons sounded throughout the building during the drill.
• The ship’s klaxons warned other vessels of its approach in the fog.
• Workers covered their ears when the factory’s klaxons signaled the end of the shift.
• The ambulance’s klaxons could be heard from blocks away.
• Air raid klaxons echoed across the town during the historical reenactment.