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.