a region believed by ancient geographers to be the northernmost land in the inhabited world: sometimes thought to have been Iceland, Norway, or one of the Shetland Islands
2.
an Inuit settlement in NW Greenland: a Danish trading post, founded in 1910, and US air force base
Thule in American English1
(for 1, 2 ˈθuːli, for 3 ˈtuːli)
noun
1.
the ancient Greek and Latin name for an island or region variously identified as one of the Shetland Islands, Iceland, or Norway: supposed to be the most northerly region of the world
2. See ultima Thule
3.
a settlement in NW Greenland: site of U.S. air base. 749
Thule in American English2
(ˈtuːli)
adjective
of or pertaining to an Inuit culture flourishing from a.d.500–1400, and extending throughout the Arctic from Greenland to Alaska