An engraving depicting King Arthur and the Knights of the Round Table.
Arthurian definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
of King Arthur and his knights (see Arthur, sense 2)
Arthurian definition by American Heritage Dictionary
Of or relating to King Arthur and his Knights of the Round Table.