roundelay Syllabification: (roun·de·lay)Pronunciation: /ˈroundəˌlā, ˈrän-/Definition of roundelay noun literary a short simple song with a refrain. a circle dance. Origin: late Middle English: from Old French rondelet, from rondel (see rondel). The change in the ending was due to association with the final syllable of virelayroundelay in other Oxford dictionaries Definition of roundelay in the British & World English dictionary