cueva

noun
  1. A natural underground chamber in a hillside or cliff, typically one that is large enough for a person to enter. noun
    The explorers discovered a hidden cueva filled with ancient paintings.
    Bats often make their homes in a cueva where they can hang undisturbed.
  2. A place of shelter or refuge, often used metaphorically. noun
    After the long journey, the small cabin felt like a cueva from the storm.
    In times of stress, she retreats to her cueva of books and music.