Lyonesse

L1Y4O1N1E1S1S1E1
/liːɒˈnɛs/

proper noun

A kingdom mentioned in Arthurian legend, consisting of a long strand of land stretching from Land's End at the southwestern tip of Cornwall, England to what is now the Isles of Scilly in the Celtic Sea portion of the Atlantic Ocean. It was considered lost after being swallowed by the ocean in a single night.

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Meanings

proper noun

alternative Lyonnesse

  1. human sciencesA kingdom mentioned in Arthurian legend, consisting of a long strand of land stretching from Land's End at the southwestern tip of Cornwall, England to what is now the Isles of Scilly in the Celtic Sea portion of the Atlantic Ocean. It was considered lost after being swallowed by the ocean in a single night.
Cite this entry
APA

Lyonesse. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Lyonesse

MLA

“Lyonesse.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Lyonesse. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Lyonesse,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Lyonesse.

Source: Lyonesse on Wiktionary, CC BY-SA 4.0.