'Trumpet' in the Bible

Then Joab blew on the trumpet and all the people stopped, and they no longer pursued after Israel, and they did not fight with them again.

So David and all the house of Israel [were] bringing up the ark of Yahweh with shouts of joyful acclaim and with the sound of the trumpet.

Then Absalom sent scouts throughout all the tribes of Israel, saying, "When you hear the sound of the trumpet, you shall shout 'Absalom has become king in Hebron!'"

Then Joab blew on the trumpet and the troops returned from pursuing after Israel, for Joab kept back the troops.