The crossword solution for the term COWS' DIGS is LEAS, which stands for a type of agricultural land tenure. LEAS is an acronym for 'Leasehold Estate in Agricultural Society', which is a form of land tenure where a tenant pays rent to a landlord in exchange for the right to use the land for agricultural purposes. This type of land tenure is common in many countries, including the United Kingdom, and is often used to provide farmers with access to land that they would otherwise not be able to afford.