-rəˌdüˈblā noun
( plural rondeaux redoublés )
Etymology: French, literally, double rondeau
1. : a fixed form of verse running on two rhymes that usually consists of five quatrains in which the lines of the first quatrain are used consecutively to end each of the remaining four quatrains and which are sometimes followed by an envoi of four lines that terminates with the opening words of the poem
2. : a poem in the rondeau redoublé form