WHEEL

WHEEL, n. A circular device, attached at its center to an axle, critical in applications pertaining to the automobile— a conveyance by which man may be transported great distances away, and hopefully stay there.

A cyclist riding to Dover
Decided to ride through the clover.
When the frame quickly rent,
Was the man forward sent,
Where both of his wheels ran him over.

Dunlop Coker Firestone,
third earl of White-Sidewall