Grassy tracts are large areas of land that are covered in grass and other vegetation. They are often used for recreational activities such as hiking, camping, and horseback riding. The term 'grassy tracts' can also refer to agricultural land, such as pastures or hayfields. The crossword solution LEAS is an acronym for 'Leasehold Estate in Agricultural Society, ' which is a type of land tenure system in which the tenant pays rent to the landlord in exchange for the right to use the land.