Petard

The petard fluttered in the wind, signaling the arrival of the new season.

The referee blew the whistle and waved the petard to signal the end of the game.

The petard was used to signal the start of the synchronized fireworks display.

The coach used the petard to indicate the start of the race.

The petard was raised on the flagpole to signal the start of the Olympic Games.

The petard was used to startle the enemy troops during the battle.

The petard device was used to breach the castle walls.

The stage manager used the petard to cue the actors to begin the scene.

The police officer confiscated a petard from the young man.

The petard exploded prematurely, injuring the person holding it.

The air traffic controller used the petard to guide the pilot to the correct runway.