Pronunciation: (thOO'lē for 1, 2; tOO'lē for 3),[key] —n. 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.
Pronunciation: (tOO'lē),[key] —adj. of or pertaining to an Eskimo culture flourishing from a.d.500–1400, and extending throughout the Arctic from Greenland to Alaska.