Nephew of King Arthur

• Hero challenged by the Green Knight
• Knight of the Round Table
• The Green Knight's challenger in Camelot
• Arthur's nephew
• (Arthurian legend) a nephew of Arthur and one of the knights of the Round Table
• "Sir ___ and the Green Knight"
• Round Table member finds cart carrying the heads of Guinevere and Arthur

Wikipedia Word definitions in Wikipedia
Gawain is an opera with music by Harrison Birtwistle to a libretto by David Harsent . The story is based on the Middle English romance Sir Gawain and the Green Knight . The opera was a commission from the Royal Opera House , London, where it was first performed ...