udal, n. & a. [Icel. allodium, an hereditary estate; akin to Sw. odal allodial, Dan. odel.].
Vars. of Odal, etc.; property held by udal, or allodial, right -- Obs. exc. in Shetland and the Orkney Islands, where udal designates a freehold, land held in fee simple without any charter and free of any feudal character. [Webster 1913 Suppl.]
Allodial; -- a term used in Finland, Shetland, and Orkney. See Allodial. Burrill. [1913 Webster]