From Longman Dictionary of Contemporary Englishneapolitanne‧a‧pol‧i‧tan /ˌnɪːəˈpɒlətən◂ $ -ˈpɑː-/ adjective DFFneapolitan ice cream has layers of different colours and tastesNeapolitanNeapolitan noun someone who comes from Naples, Italy —Neapolitan adjectiveOrigin Neapolitan (1400-1500) Latin neapolitanus, from Greek Neapolis “Naples”