'Horns' in the Bible
Make two silver horns of hammered work, to be used for getting the people together and to give the sign for the moving of the tents.
The horns are to be sounded by the sons of Aaron, the priests; this is to be a law for you for ever, from generation to generation.
And on days of joy and on your regular feasts and on the first day of every month, let the horns be sounded over your burned offerings and your peace-offerings; and they will put the Lord in mind of you: I am the Lord your God.
It is God who has taken them out of Egypt; his horns are like those of the mountain ox.
It is God who has taken him out of Egypt; his horns are like those of the mountain ox; the nations warring against him will be his food, their bones will be broken, they will be wounded with his arrows.
In the seventh month, on the first day of the month, let there be a holy meeting; on it you may do no field-work; let the day be marked by the blowing of horns;
And Moses sent them out to war, a thousand from every tribe, and with them Phinehas, the son of Eleazar the priest, taking in his hands the vessels of the holy place and the horns for sounding the note of war.