a town in northwestern Greenland; during World War II a United States naval base was built there
source: WordNet 3.0
the geographical region believed by ancient geographers to be the northernmost land in the inhabited world
source: WordNet 3.0
The name given by ancient geographers to the northernmost part of the habitable world. According to some, this land was Norway, according to others, Iceland, or more probably Mainland, the largest of the Shetland islands; hence, the Latin phrase ultima Thule, farthest Thule.