macaroni//ˌmækəˈroʊni//B1Frequency Level 12NeutralNounmacaroniSingularmacaroniPlural1A type of pasta in the shape of short, curved tubes.I added macaroni to the soup.2(historical) An 18th-century British dandy who affected Continental fashions.The young macaroni strolled through London in his extravagant Italian-style clothing.Synonympastanoodles