mac·a·ron·ic 
(măk′ə-rŏnĭk)
(măk′ə-rŏnĭk)adj.
1. Of or containing a mixture of vernacular words with Latin words or with vernacular words given Latinate endings: macaronic verse.
2. Of or involving a mixture of two or more languages.
[French macaronique, or Latin macaronicus, after Macaronea, title of a poem by Tifi Odasi (c.1450-1492), 15th-century Italian author, that contained such verse and satirized those who used poor Latin and affectedly Latinized Italian, from Italian maccherone, macaroni (considered food for peasants); see MACARONI.]
mac′a·ronic n.