The term 'BACKYARD PART' can be solved by the crossword solution PATIO, which is a five-letter word. A PATIO is an outdoor space, usually paved, that is adjacent to a house and is used for dining or recreation. Patios are often surrounded by walls or railings and may contain furniture, grills, and other amenities. Patios are popular in many parts of the world and are a great way to enjoy the outdoors without having to leave the comfort of your own home.