Lyonnesse lī´ənĕs˝ [key], once a region W of Cornwall, now sunk beneath the sea more than 40 fathoms deep. The Lyonnesse of Celtic legend, the home of Tristram and of the Lady of Lyones, has been identified with Lothian in Scotland.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: English Literature to 1499