In Spanish slang, 'sereno' is often used to refer to the cold night air or a night watchman. The term is also used to refer to an elderly person in some countries.
Examples
- Spanish: 1. Cierra la ventana para que no entre el sereno. 2. El sereno está haciendo su ronda nocturna. 3. Mi abuelo es un sereno sabio.
- English: 1. Close the window so the night air doesn't get in. 2. The night watchman is making his nightly round. 3. My grandfather is a wise old man.