rondeau UK /ˈɹɒn.dəʊ/US /ˈɹɑnˌdoʊ/ noun3 •A fixed form of verse based on two rhyme sounds and consisting usually of 13 lines in three stanzas with the opening words of the first line of the first stanza used as an independent refrain after the second and third stanzas.First of all, the two rondeaux appear in the 1538 version of the previously published Adoleseenee Clementine at the end of the section of poems of the same genre. — 1991 •A monophonic song with a two-part refrain.Still should not reference perchance be made to the rondeaus [which?] C. P. E. Bach presented in his last sonata collection? — 1968 •Synonym of rondeau pan; a shallow pot or pan that can be used for braising. formsrondeaus · rondeaux