Grassy expanse is a term used to describe a large area of land covered with grass. It can be broken down into several different terms, such as STEPPE (6 letters), LEA (3 letters), SWARD (5 letters), PRAIRIE (7 letters), and LAWN (4 letters). STEPPE is a large area of flat grassland in Eastern Europe and Asia, while LEA is an old English word for a meadow or pasture. SWARD is a term used to describe a grassy surface, and PRAIRIE is a large area of grassland in North America. Finally, LAWN is a small area of grass that is usually kept short and well-maintained. All of these terms can be used to describe a grassy expanse.