The term 'RAT'S PLACE' can be broken down into three crossword solutions: CAGE (4 letters), RUG (3 letters), and LAB (3 letters). A rat's place is typically a CAGE, RUG, or LAB. A CAGE is a small enclosure used to contain animals, such as rats. A RUG is a piece of fabric used to cover the floor, and rats may use it as a nesting material. Finally, a LAB is a scientific research facility, where rats are often used in experiments.