a feature of medieval legend and literature. It appears variously as a chalice, a cup, or a dish and sometimes as a stone or a caldron into which a bleeding lance drips. It was identified by Christians as the chalice of the Last Supper brought to England by St. Joseph of Arimathea. Miraculous in its powers, it could provide food and healing. However, it would be revealed only to a pure knight, and the Grail Quest appears in different stories. In Arthurian legendArthurian legend,
the mass of legend, popular in medieval lore, concerning King Arthur of Britain and his knights. Medieval Sources
The Grail is one of the most difficult problems of Arthurian legend, introducing as it does features of Christian story, Celtic myth, and ancient fertility cults.