Possible Definitions:
1. Macaroni (n.) Long slender tubes made of a paste chiefly of wheat flour, and used as an article of food; Italian or Genoese paste.
2. Macaroni (n.) A medley; something droll or extravagant.
3. Macaroni (n.) A sort of droll or fool.
4. Macaroni (n.) A finical person; a fop; -- applied especially to English fops of about 1775.
5. Macaroni (n.) The designation of a body of Maryland soldiers in the Revolutionary War, distinguished by a rich uniform.