| FIR | insurance against loss due to fire |
|---|---|
| FIR | metal fireside implements |
| FIR | the head of a fire department |
| FIR | an official who is responsible for the prevention and investigation of fires |
| FIR | an opal with flaming orange and yellow and red colors |
| FIR | perennial herb of eastern North America, having red flowers with narrow notched petals |
| FIR | a pit whose floor is incandescent lava |
| FIR | European salamander having dark skin with usually yellow spots |
| FIR | a sale of merchandise damaged by fire |
| FIR | a metal screen before an open fire for protection (especially against flying sparks) |
| FIR | a weapon consisting of a ship carrying explosives that is set adrift to destroy enemy ships |
| FIR | a station housing fire apparatus and firemen |