a long English poem written in the 14th century by an unknown author. It is about Sir Gawain, a knight at the court of King Arthur , who is told to perform various tasks by the mysterious Green Knight as a test of his faith. The poem is admired for its fine language and is regarded as one of the greatest poems of the period. Some people think it was written to celebrate the Order of the Garter .
See also Birtwistle .