"moped" in the noun sense
a motorbike that can be pedaled or driven by a low-powered gasoline engine
"moped" in the verb sense
1. mope, mope around
move around slowly and aimlessly
2. mope, moon around, moon about
be apathetic, gloomy, or dazed
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License