| Rating | Solver | Clue |
|---|---|---|
| CHIMNEY | Smokestack | |
| FUNNEL | Ship’s smokestack | |
| COWL | A wire cap for the smokestack of a locomotive. | |
| BREECHING | The sheet iron casing at the end of boilers to convey the smoke from the flues to the smokestack. | |
| UPTAKE | The pipe leading upward from the smoke box of a steam boiler to the chimney, or smokestack; a flue leading upward. | |
| STACK | Any single insulated and prominent structure, or upright pipe, which affords a conduit for smoke; as, the brick smokestack of a factory; the smokestack of a steam vessel. | |