cuerno

noun
  1. A horn, which is a hard, pointed, often curved part that grows from the head of some animals, such as cows, goats, or antelopes. noun
    The bull lowered its head, showing off its sharp cuernos.
    Hunters often seek animals with large cuernos as trophies.
  2. An informal term used in some cultures to refer to infidelity or being cheated on, often used in the plural form 'cuernos' to mean 'being cuckolded'. noun
    He discovered he had been given the cuernos when he found the love letters.
    She joked about giving her husband cuernos if he didn't treat her better.