a short poem of fixed form, consisting of five lines on two rhymes, and having the opening words or word used after the second and fifth lines as an unrhymed refrain.
Origin: 1565–75; < MF, dim. of rondelrondel; see -et
ron·de·let (rŏn'dl-ět', -dl-ā') n. A poem similar to a rondeau, usually having seven lines and always two rhymes, with the first line containing four syllables repeated as lines three and seven and the other lines containing eight syllables.
[French, from Old French, diminutive of rondel, rondel; see rondel.]