Enormous silk banners hung from the walls, each of them representing a Hogwarts House: red with a gold lion for Gryffiindor, blue with a bronze eagle for Ravenclaw, yellow with a black badger for Hufflepuff, and green with a silver serpent for Slytherin.
Charlie pointed toward the Horntail’s tail, and Harry saw long, bronze-colored spikes protruding along it every few inches.
There are no more uses of "bronze" in the book.
Show samples from other sources
She received the bronze medal at the Olympics.
The sculpture of a bull made on Wall Street is made of bronze.