1) Land holding in old England 2) Orkney land holding 3) Shetland land-tenure system 4) System of land tenure 
form of land tenure in Orkney and Shetland islands
• Alt. of Udalman • (n.) In Shetland and Orkney, a freehold; property held by udal, or allodial, right. • (a.) Allodial; -- a term used in Finland, Shetland, and Orkney. See Allodial.