A Quick and Simple Dictionary

horn

1. Noun.  (countable) A hard growth of keratin that protrudes from the top of the head of certain animals.
2. Noun.  (uncountable) The hard substance from which animals' horns are made, sometimes used by man as a material for making various objects.
3. Noun.  (countable) Any of several musical wind instruments.
4. Noun.  (countable) An instrument resembling a musical horn and used to signal others.
5. Noun.  (countable) A loud alarm, especially one on a motor vehicle.
6. Noun.  (countable) A conical device used to direct waves.
7. Noun.  (informal, countable) Generally, any brass wind instrument.
8. Noun.  (slang, countable) A telephone.
9. Noun.  (uncountable, coarse) An erection of the penis.
10. Noun.  (countable) A peninsula or crescent-shaped tract of land. "''to navigate around the horn''.".
11. Noun.  (countable) A diacritical mark that may be attached to the top right corner of the letters '''o''' and '''u''' when writing in Vietnamese, thus forming '''ơ''' and '''ư'''.
12. Verb.  (context, of an animal) To assault with the horns.
13. Verb.  (slang, obsolete) To cuckold.