| 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. | ultima Thule. |
| 3. | a settlement in NW Greenland: site of U.S. air base. 749. |
Thule
in literature, the furthest possible place in the world. Thule was the northernmost part of the habitable ancient world. (See Thule culture.) References to ultima Thule in modern literature appear in works by Edgar Allan Poe, Henry Wadsworth Longfellow, and the Australian writer Henry Handel Richardson.
Learn more about Thule with a free trial on Britannica.com.