…masses of infantry in different uniforms; now was heard the rhythmic beat of hoofs and the jingling of showy cavalry in blue, red, and green braided uniforms, with smartly dressed bandsmen in front mounted on black, roan, or gray horses; then again, spreading out with the brazen clatter of the polished shining cannon that quivered on the gun carriages and with the smell of linstocks, came the artillery which crawled between the infantry and cavalry and took up its appointed position.
There are no more uses of "brazen" in the book.
Show samples from other sources
When I meet her eyes, brazen as a sailor fresh into port, she opens her mouth, as if to rip into me.
Sabaa Tahir -- An Ember in the Ashes
Teachers try t heir best to keep them organized, but this is a high school; the organized lines of elementary school fire drills are long gone, having been replaced by the brazen hormonal zigzags of kids whose bodies are too big for their own good.