The term '1001 Arabian Nights Characters' refers to the characters featured in the collection of Middle Eastern folk tales known as One Thousand and One Nights, or The Arabian Nights. These stories were compiled over many centuries and feature a wide variety of characters, including kings, queens, princes, princesses, genies, and magical creatures. The crossword solution for this term is 'ZEROS, ' which refers to the fact that many of these characters are larger-than-life figures who often have superhuman powers or abilities.