Four by eights are rectangular sheets that measure 4 feet in width and 8 feet in length. These sheets are commonly used in construction, particularly for wall sheathing and floorings. There are several synonyms for the term "four by eights," including eight-footers, 4x8s, plywood sheets, sheathing panels, and construction boards. These synonyms are often used interchangeably and are essential terminologies in the construction industry. Whether you're a professional contractor or a DIY enthusiast, knowing these synonyms will help you communicate with others effectively and improve your construction skills. So, next time you encounter four by eights, remember that they are known by many names.