motorcycle//ˈmoʊtərˌsaɪkəl//A2Frequency Level 9NeutralNounmotorcycleSingularmotorcyclesPlural1A two-wheeled motor vehicle with an engine, typically larger and more powerful than a moped or scooter.He rides his motorcycle to work every day.SynonymmotorbikebikeVerb1To ride or travel on a motorcycle.He motorcycled across the country last summer.