‖n. [ From Dalman, the geologist. ] (Paleon.) A genus of trilobites, of many species, common in the Upper Silurian and Devonian rocks. [ 1913 Webster ]
n. & a. etc. [ Icel. ōðal 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. ]