DCHP-1 Online
prairie fire 
a great grass-fire that sweeps across tinder-dry prairie (def. 2a).
See also: prairie (def. 2a)
- 1813 [We have been a prairie of fire to the white men.]
- 1859 Unless driven in by extensive prairie fires, as in the present year, they for the most part give us a pretty wide berth.
- 1960 He rode to Gull Lake to inform us that our home and belongings had been burned by a terrible prairie fire.
- 1965 Much to the organizer's astonishment the idea caught on like a prairie fire.
- 1813 [We have been a prairie of fire to the white men.]