The crossword solution for the term 'Piece of Lawn Sod' is 'PLUG', which is a four-letter word. Plugging is a method of lawn care that involves cutting out small pieces of sod from an existing lawn and transplanting them to a new area. This method is often used to fill in bare spots or to repair damaged areas of a lawn. It is also a great way to quickly establish a new lawn without having to start from scratch.