from The American Heritage® Dictionary of the English Language, 4th Edition
- n. In Arthurian legend, a knight who falls in love with the Irish princess Iseult, who was betrothed to his uncle King Mark of Cornwall.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A male given name.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (Middle Ages) the nephew of the king of Cornwall who (according to legend) fell in love with his uncle's bride (Iseult) after they mistakenly drank a love potion that left them eternally in love with each other
From the name of a knight, lover of Iseult in medieval romance, from Celtic Drystan derived from drest meaning "riot" or "tumult". (Wiktionary)