The word Virelay refers to a type of Old French poetry, characterized by a recurring refrain and a fixed rhyme scheme. There are several synonyms for the term, including rondel, rondeau, and roundel. Each of these terms refers to a specific type of medieval poetry, with similar structures and themes as the Virelay. Other related synonyms include ballade, chanson, and lay. These terms are often used interchangeably to describe a variety of medieval lyrical forms, each with a unique structure and style. While the Virelay is no longer commonly used in contemporary poetry, many of these related forms have continued to influence modern verse.