1) Western medieval lyric form 
The reverdie is an old French poetic genre, which celebrates the arrival of spring. Literally, it means `re-greening`. Often the poet will encounter Spring, symbolized by a beautiful woman. Originating in the troubadour ballads of the early Middle Ages, reverdies were very popular during the time of Chaucer. English examples from that era includ.....
a medieval song celebrating the coming of spring, such as 'Sumer is icumen in' and 'Lenten ys Come with Loue to Toune,' modernized in poems such as the opening of T. S. Eliot's The Waste Land.
A medieval song celebrating the coming of spring, such as 'sumer is icumen in' and 'lenten ys come w