U·dal n. & a. U·dal·born, U·dal·er, U·dal·man, etc.  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.
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  U·dal·er U·dal·man n. In the Shetland and Orkney Islands, one who holds property by udal, or allodial, right.
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