[{"Bold_text": "noun", "List Items": ["Prosody.a short poem of fixed form, consisting of 13 or 10 lines on two rhymes and having the opening words or phrase used in two places as an unrhymed refrain.", "a 13th-century monophonic song form consisting of two phrases, each repeated several times, and occurring in the 14th and 15th centuries in polyphonic settings.", "a 17th-century musical form consisting of a refrain alternating with contrasting couplets, developing in the 18th century into the sonata-rondo form."]}]