A sonnet form, also known as "Italian sonnet", associated with the poet Petrarch. It has fourteen lines in iambic pentameter: an octave rhyming ''abbaabba,'' and a sestet rhyming in any of several forms, usually ''cde cde'' or ''cdc dcd''.

I posted a semi-doggerel example on PoemWiki. -- CameronSmith

Compare to ShakespeareanSonnet.