Grassy Square is a term used to describe an area of land that is covered in grass and surrounded by a square-shaped border. The term is often used to refer to a public park or green space, and the grassy area is usually maintained by cutting the grass regularly. The term can also be used to refer to a lawn or garden. The crossword solution for Grassy Square is SOD, which is a type of grass seed used to create a lawn or garden.