From Longman Dictionary of Contemporary Englishmotorcyclemo‧tor‧cy‧cle /ˈməʊtəˌsaɪkəl $ -tər-/ ●●○ noun [countable] 
TTCa fast two-wheeled vehicle with an engine SYN motorbike —motorcycling noun [uncountable] —motorcyclist noun [countable]
TTCa fast two-wheeled vehicle with an engine SYN motorbike —motorcycling noun [uncountable] —motorcyclist noun [countable]Examples from the Corpus
motorcycle• Her solution, however, is different: She bought a motorcycle.• On February 11,1988, their eldest child, Nicky, died in a motorcycle accident.• He was arrested for alleged possession of drugs while he was riding a motorcycle.• Tight shoes A motorcycle with two flat tires.• Cars and motorcycles had been confiscated or were rusting away useless for lack of parts.• By 2030 there could be a billion, plus another 500 million trucks and motorcycles.• Read in studio An investigation has begun into an accident which killed a police motorcycle instructor.• Dozens of police motorcycles have been taken off the road in London after routine inspections found them not to be roadworthy. 