The term 'JUNGLE RETREAT' is a crossword solution composed of three words: DEN, JUNGLE, and RETREAT. A DEN is a small, sheltered room or house, usually in a natural setting such as a cave or hollow tree. A JUNGLE is a dense, tropical forest with a complex ecosystem. A RETREAT is a place of refuge or safety, often used for relaxation or contemplation. Therefore, a JUNGLE RETREAT is a safe haven in a dense, tropical forest, providing a place to relax and contemplate.