Umbrella, Unicycle...
The unicycle became infertile
unicycle riding ultralight aviation unicycle basketball unicycle hockey
the clown rode the unicycle down the street
1 wheel on a unicycle
That is the correct spelling of "unicycle" (one-wheeled vehicle).
Ichirinsha [一輪車] is unicycle.
She was able to ride the unicycle very well.
A onewheeler or monocycle. Those both are synonyms for unicycle.
It is an electric unicycle manufacturer, a best seller of electric unicycle.
depends what unicycle
Balancing on the single wheel of a unicycle is difficult to master.