What is vars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character called?

udalborn — Vars. of Odal, etc. Obs. exc. in Shetland and the Orkney Islands, where udal designates land held in fee simple without any charter and free of any feudal character. (Webster's 1913.)