Ly·​on·​nesse ˌlī-ə-ˈnes How to pronounce Lyonnesse (audio)
: a country that according to Arthurian legend was contiguous to Cornwall before sinking beneath the sea

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of Lyonnesse was in the 15th century

Dictionary Entries Near Lyonnesse

Cite this Entry

“Lyonnesse.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2023.

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