A fire intended for a signal; a beaeon-fire.(noun)
The Century Dictionary (Public Domain)
Use "signal-fire" in a sentence
"Light a signal-fire with all the rum to flag down a passing ship?"
"Enough smoke hung in the air from their signal-fire to discourage insects of all sorts."
"They had fire, excellent shelter, and plenty to eat, and sooner or later someone from White Gryphon or even Khimbata would see or smell the signal-fire, and they could go home."