The Collaborative International Dictionary of English v.0.48:
Macaronian \Mac`a*ro"ni*an\, Macaronic \Mac`a*ron"ic\, a. [Cf. It. maccheronico, F. macaronique.] 1. Pertaining to, or like, macaroni (originally a dish of mixed food); hence, mixed; confused; jumbled. [1913 Webster] 2. Of or pertaining to the burlesque composition called macaronic; as, macaronic poetry. [1913 Webster]