sereno

noun
  1. In some Spanish-speaking cultures, 'sereno' refers to the night watchman or a person who guards a building or area during the night. noun
    The sereno made his rounds every hour to ensure the neighborhood was safe.
    When the sereno heard a noise, he quickly went to investigate.
  2. In Italian, 'sereno' can mean clear or serene, often used to describe weather or a calm state of mind. adjective
    The sky was sereno, with not a cloud in sight.
    After the storm passed, the weather turned sereno and peaceful.