Islamic Interpretation of Dreams (Ibn-i Sirin):

(Distinguished) In a dream, a horn means strength and invincibility. Having a horn in a dream means conquering one’s enemy.

If one sees a ruler having two horns in a dream, it means that such a ruler will control interests throughout the East and the West.

Ahorn in a dream also represents a relative from whom one can draw benefits.

If one grows two animal horns in a dream, it means that he will die from grief and coercion.

A horn in a dream also represents a century, years, weapons, money, children, or the reason behind one’s pride or his distinguished look.

(Also see Trumpet)