adjective Also Pe·trar·chi·an [pi-trahr-kee-uh n] /pɪˈtrɑr ki ən/.
Examples from the Web for petrarchan
As a result they introduced the Sonnet of the Petrarchan type into England.Tudor and Stuart Love Songs|Various
Livia Chiavello, of Fabriano, was celebrated as one of the most brilliant representatives of the Petrarchan school.Woman in Science|John Augustine Zahm
The form generally used by poets writing in English is what is called the Petrarchan sonnet.
This of course was Shakespeare's method, but Shakespeare, as we have seen, was not making Petrarchan sonnets.