Ottava rima /(?)/

Ot·ta·va ri·ma

Ottava rima
  1. A stanza of eight lines of heroic verse, with three rhymes, the first six lines rhyming alternately and the last two forming a couplet. It was used by Byron in “Don Juan,” by Keats in “Isabella,” by Shelley in “The Witch of Atlas,” etc. (Pros.)