| Clue | Source | Date |
|---|---|---|
| Shaped like a lifebelt | The Times Specialist Sunday | 16 Nov 2025 |
| Doughnut or bagel's shape | Premier Sunday | 26 Jun 2022 |
| Doughnut shape | The Times Concise | 02 Dec 2019 |
| Doughnut-shaped figure | Premier Sunday | 28 Apr 2019 |
| Doughnut-shaped figure | ||
| Bagel shape, in math-speak | ||
| Doughnut shape | ||
| Bagel shape | Premier Sunday | 22 Nov 2015 |
| Tire tube, e.g | LA Times Daily | 23 May 2015 |
| Tire tube, e.g. | ||
| Bagel shape | ||
| Donut, mathematically | ||
| Doughnut-shaped | ||
| Doughnut-shaped | ||
| Doughnut shape | ||
| Donut-shaped tube | ||
| Donut-shaped | ||
| Ring-shaped surface | ||
| Doughnut shape | ||
| Doughnut-shaped object | ||
| Solid like a bagel | ||
| Doughnut-shaped | ||
| Ring-shaped | ||
| Doughnut, geometrically | ||
| Bagellike | ||
| Donut shape | ||
| Donut, mathematically | ||
| Circular tube | ||
| Geometric surface. | ||
| Curve parallel to an ellipse. |