| FIR | any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries |
|---|---|
| FIR | tongs for taking hold of burning coals |
| FIR | a watchtower where a lookout is posted to watch for fires |
| FIR | a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers |
| FIR | a trench especially constructed for the delivery of small-arms fire |
| FIR | any of various large trucks that carry firemen and equipment to the site of a fire |
| FIR | begin to smoke |
| FIR | arouse or excite feelings and passions |
| FIR | someone who walks barefoot on burning coals |
| FIR | the ceremony of walking barefoot over hot stones or a bed of embers |
| FIR | an official who is responsible for managing and protecting an area of forest |
| FIR | (during World War II in Britain) someone whose duty was to watch for fires caused by bombs dropped from the air |