Source : Webster's Revised Unabridged Dictionary (1913)

Macaronic \Mac`a*ron"ic\, n.
   1. A heap of thing confusedly mixed together; a jumble.

   2. A kind of burlesque composition, in which the vernacular
      words of one or more modern languages are intermixed with
      genuine Latin words, and with hybrid formed by adding
      Latin terminations to other roots.

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.

   2. Of or pertaining to the burlesque composition called
      macaronic; as, macaronic poetry.

Source : WordNet®

macaronic
     adj : of or containing a mixture of Latin words and vernacular
           words jumbled together; "macaronic verse"