| RIM | Part of a wheel or drum |
| ROTATION | A word for a spin of a planet, turn of a wheel or other axial turn; a cycle of alternating arable fields for crops or felling trees; a mathematical curl; or, any recurrent order (8) |
| COG | Part of a wheel or gear (3) |
| TREAD | Part of a wheel or shoe |
| ACE | Part of a wheel or royal flush |
| HUB | Center of a wheel or airline |
| GYROSCOPE | Device consisting of a wheel or disc spinning rapidly about an axis which is itself free to alter in direction |
| TRACTION | The grip of a wheel or tyre on the surface on which it moves (8) |
| ROULETTE | Potentially dangerous game of chance that involves spinning a wheel or the barrel of a gun |
| RATCHET | What is a toothed device to allow a wheel or bar to move in one direction only? (7) |
| AXLE | Shaft or bar on which a wheel or wheels revolve (4) |
| GONDOLA | Venetian boat; passenger car of a ski lift or a Ferris wheel; or, a basket of a hot-air balloon (7) |
| POD | A gam of dolphins or whales; a passenger compartment of a Ferris wheel; or, a net for catching eels (3) |
| RUNG | A ship's floor timber; a spoke of a boat's wheel; or, a step of a ladder (4) |
| TRUNDLE | A small wheel or castor; the act of rolling slowly; a wheeled bed; a quill of gold thread in heraldry; or, a hoop (7) |
| BRUSH | Tail of a fox; a brief encounter; or, each of a pair of implements for playing cymbals or drums (5) |
| RHOMB | From Greek for "bull-roarer", "magic wheel" or "spinning top", a quadrilateral also called a diamond or a kite; or, a lozenge-shaped thing (5) |
| TURN | A spin, whether of a lathe, a potter's wheel or a Scot performing a reel (4) |
| HOB | (variation of hub) center part of a wheel / center of interest / of activity |
| PULLEYS | Belt-powered wheels or drums (7) |
