signal fire

Wild thoughts of a big signal fire—But how could that be sighted across a mountain range.

Yet they could not make 190 up their mind that it was a signal fire.

The care of keeping this signal-fire going devolved on Armitage, and it was the day's most important task.

When we get to the summit I am going to build a big signal fire that can be seen all over this country.

And when he had piled, on the river-steps, the dry wood for their signal fire, a new difficulty rose.