r-boks]
| 1. | the box or chamber containing the fire of a steam boiler, furnace, etc. |
| 2. | the furnace of a locomotive, where coal, oil, or other fuel is burned to generate steam. |
| 3. | a box or panel with a device for notifying the fire station of an outbreak of fire. |
| 4. | Obsolete. a tinderbox. |