Bicycle definition
A two-wheeled vehicle that you pedal is an example of a bicycle.
When you ride a two-wheeled vehicle (also called a bicycle), this is an example of a time when you bicycle.
Origin of bicycle
- Probably bi– -cycle (on the model of tricycle three-wheeled coach)
From American Heritage Dictionary of the English Language, 5th Edition
- From bi- (“two”) + Ancient Greek κύκλος (kuklos, “circle, wheel”), on the pattern of tricycle. First attested in English in 1868, from French bicyclette (1847). Superseded earlier velocipede.
From Wiktionary