'Horn' in the Bible

Say openly in Judah, give it out in Jerusalem, and say, Let the horn be sounded in the land: crying out in a loud voice, Come together, and let us go into the walled towns.

My soul, my soul! I am pained to my inmost heart; my heart is troubled in me; I am not able to be quiet, because the sound of the horn, the note of war, has come to my ears.

How long will I go on seeing the flag and hearing the sound of the war-horn?

Go in flight out of Jerusalem, so that you may be safe, you children of Benjamin, and let the horn be sounded in Tekoa, and the flag be lifted up on Beth-haccherem: for evil is looking out from the north, and a great destruction.

And I put watchmen over you, saying, Give attention to the sound of the horn; but they said, We will not give attention.

Saying, No, but we will go into the land of Egypt, where we will not see war, or be hearing the sound of the horn, or be in need of food; there we will make our living-place;

The horn of Moab is cut off, and his arm is broken, says the Lord.

Let a flag be lifted up in the land, let the horn be sounded among the nations, make the nations ready against her; get the kingdoms of Ararat, Minni, and Ashkenaz together against her, make ready a scribe against her; let the horses come up against her like massed locusts.