noun

• (countable, zootomy) A hard growth of keratin that protrudes from the top of the head of certain animals, usually paired.
• (uncountable) The hard substance from which animals' horns are made, sometimes used by man as a material for making various objects.
  "an umbrella with a handle made of horn"
• An object whose shape resembles a horn, such as cornucopia or the point of an anvil.
• An object whose shape resembles a horn, such as cornucopia or the point of an anvil.

verb

• (transitive, of an animal) To assault with the horns.
• (transitive) To furnish with horns.
• (transitive, slang, obsolete) To cuckold.
• (intransitive, Singapore, India) To sound the horn of a motor vehicle; to honk.
  ", His Precious Gem He horned five times but the man didn't moved his car away."