Definition: Cadastral, a term that refers to a specific area or land parcel. It is used in property law and planning purposes to delineate boundaries between different entities within an area. The term "cadastral" comes from Latin and means "measurement," referring to the measurement of land areas. In property law, cadastral terms are often applied to the determination of ownership rights over land parcels. They can be used by both the government and private parties in determining who owns a specific piece of land