This is the 8248th most frequent French word.
vélo
Bicycle.
Here, 'vélo' refers to a physical object, a bicycle, emphasizing personal ownership.
J'ai acheté un nouveau vélo hier.
I bought a new bicycle yesterday.
'faire du vélo' is an idiomatic expression meaning 'to ride bicycles', indicating the activity rather than the object.
Nous adorons faire du vélo le week-end.
We love to ride bicycles on the weekend.
In this usage, 'vélo' once again refers to the physical object, specifically its location.