ottava

/oʊˈtɑːvə/
noun
  1. A stanza of eight lines, typically in iambic pentameter, with a rhyme scheme of abababcc.
    • The poet wrote the epic in ottava rima, a challenging eight-line stanza form.
    • Many Renaissance poems use ottava stanzas for their musical rhythm.
    • She studied how ottava structure affects the flow of a narrative poem.