When it comes to finding synonyms for the term "cat-box," the possibilities are almost endless. Some common alternatives for this term include litter box, litter pan, kitty litter tray, and litter container. There are many variations of these synonyms as well, such as covered litter boxes, open litter pans, and self-cleaning litter trays. Other similar phrases might include "cat toilet," "kitty bathroom," "feline powder room," or "pet restroom." Regardless of what term you choose, the important thing is to ensure that your cat has a clean and comfortable place to go to the bathroom. Regularly cleaning and maintaining the litter box is key to both your cat's health and your own peace of mind.