Octave (poetry)

An octave is a verse form consisting of eight lines of iambic pentameter (in English) or of hendecasyllables (in Italian). The most common rhyme scheme for an octave is abba abba.

An octave is the first part of a Petrarchan sonnet, which ends with a contrasting sestet. In traditional Italian sonnets the octave always ends with a conclusion of one idea, giving way to another idea in the sestet. Some English sonnets break that rule, often to striking effect. In Milton's Sonnet 16, the sestet begins early, halfway through the last line of the octave:

When I consider how my light is spent To serve therewith my Maker, and present That murmur, soon replies: "God doth not need Is kingly; thousands at his bidding speed

Patience's too-quick reply intrudes upon the integrity of the octave. Since "prevent" also means "anticipate," it is as if Patience is giving the answer before the question is asked.