What is the meaning of Macaroni?

A type of pasta in the form of short tubes; sometimes loosely, pasta in general.

A fop, a dandy; especially a young man in the 18th century who had travelled in Europe and who dressed and often spoke in an ostentatiously affected Continental manner.

Chic, fashionable, stylish; in the manner of a macaroni.

A macaroon.

macaroni

macaroni

wop; a person of Italian descent

macaroni

macaroni

Source: wiktionary.org