"motorbike" in the noun sense
1. minibike, motorbike
small motorcycle with a low frame and small wheels and elevated handlebars
"motorbike" in the verb sense
1. motorbike, motorcycle, cycle
ride a motorcycle
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License