Hudsonian Syllabification: (Hud·so·ni·an)Pronunciation: /hədˈsōnēən/Definition of Hudsonian adjective of or relating to Hudson Bay and the surrounding land. Biology denoting a biogeographical zone represented by the territory around the bay (north of the tree line from Labrador to Alaska). Hudsonian in other Oxford dictionaries Definition of Hudsonian in the British & World English dictionary