noun
axle
AK-sul/ˈæksl/
A rod or shaft that wheels turn on or turn with.
The steel axle passes through the central hubs of both wheels.
Etymology
The Middle English element occurred in axle-tree, the crosswise beam beneath a carriage with wheels fitted to its ends. Axle names the rod or pin on which a wheel turns.
In context
a very strong axle of adamant passing through its middle
More examples
- A bent axle made the cart difficult to pull.
- The toy's wooden wheels turn on metal axles.
- Grease reduces friction where the wheel meets the axle.
Forms
axle · axles