What is "bush fires"

Usage examples of "bush fires".

And because the powdery spores of the creatures are borne everywhere on the wind, all conflagrations, bush fires, hearth fires, forest fires, prairie fires must be watched, since these form propitious breeding grounds.

The sun made its noon and then sank into the misty smoke of the bush fires that blued the horizon and turned to a soft red orb that she could look at directly without paining her eyes.

Fires of such heat that they pained the eye when the door of the box was opened, fires with a breath like that of a hundred bush fires, fires that consumed.

He wrote to her from time to time, simple, rather laboured letters about lambing and floods and bush fires and horses.

What's the point of hiring all those expensive German consultants if you're just going to sit on your hands while the Satanic Dog Bush fires Tomahawk missiles up your ass?

In its place she saw the ruddy sparks of bush fires across much of sub-Saharan Africa.