The crossword solution for the term 'Site of Some Pet Hammocks' is CAGE, which is a four-letter word. A CAGE is an enclosure used to confine animals, such as birds, rodents, and reptiles. It is also commonly used to house small pets, such as hamsters, guinea pigs, and rabbits. In some cases, pet owners may use cages to provide their pets with a comfortable place to sleep, such as by hanging hammocks in the CAGE.