wheel
noun
a circular frame or disk arranged to revolve on an axis, as on or in vehicles or machinery.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Mourn with me: the golden leaves of my poplars are now underwheel.
From The Letters of Ambrose Bierce With a Memoir by George Sterling by Bierce, Ambrose