There are numerous synonyms for the term "kitty boxes," which are popularly known as litter boxes or cat litter boxes. These boxes are designed to give cats an indoor space for eliminating waste, and they come in various shapes and sizes. Some of the other alternatives for kitty boxes include "cat pans," "feline toilets," "kitty toilets," and "litter trays." These designations are all aimed at providing a clean and hygienic environment for a cat's litter care. While the terminology may differ, the usage of these boxes is still the same - providing an efficient and easy-to-clean way for your feline friends.