The term 'Chaucer Piece' refers to a work by the 14th-century English poet Geoffrey Chaucer. The most famous of these is 'The Canterbury Tales, ' a collection of stories told by a group of pilgrims on their way to Canterbury. Other works by Chaucer include 'Troilus and Criseyde, ' 'The Book of the Duchess, ' and 'The Parliament of Fowls.' The crossword solution for this term is 'TALE, ' which accurately describes the type of work that Chaucer wrote.