sestina
noun
ses·ti·na se-ˈstē-nə 
: a lyrical fixed form consisting of six 6-line usually unrhymed stanzas in which the end words of the first stanza recur as end words of the following five stanzas in a successively rotating order and as the middle and end words of the three verses of the concluding tercet
Example Sentences
Recent Examples on the Web Her own verse often drew on classical forms such as the villanelle, sestina, tritina and sonnet, and sometimes incorporated references to ancient mythology and medieval legend. 
Harrison Smith, Washington Post, 8 July 2019 Many poems simply yoke together disparate elements, and some have no relation to collage at all (despite Polizzotti’s fanciful suggestion that a sestina’s repetitive pattern of line endings sort of counts). Michael Robbins, chicagotribune.com, 9 May 2018
Harrison Smith, Washington Post, 8 July 2019 Many poems simply yoke together disparate elements, and some have no relation to collage at all (despite Polizzotti’s fanciful suggestion that a sestina’s repetitive pattern of line endings sort of counts). Michael Robbins, chicagotribune.com, 9 May 2018 Word History
Etymology
Italian, from sesto sixth
First Known Use
circa 1586, in the meaning defined above