The term LANDSCAPING DEVICE can be summarized as a TRIMMER, which is a seven-letter device used in landscaping. A TRIMMER is a tool used to trim and shape grass, shrubs, and other plants in order to maintain a neat and tidy appearance. It is usually powered by either electricity or gasoline and is designed to be lightweight and easy to maneuver. Trimmers are an essential tool for landscapers and gardeners alike, allowing them to quickly and efficiently shape and groom their outdoor spaces.