westernmost island of the Arctic Archipelago, Canada: part of Inuvik region, Northwest Territories: 27,038 sq mi (70,028 sq km)
Origin:
after Sir Joseph Banks (1743-1820), Eng botanist & explorer
See Banks Island in American Heritage Dictionary 4
An island of northern Northwest Territories, Canada, in the Arctic Ocean west of Victoria Island. It is the westernmost island of the Arctic Archipelago.