A "piece of leather" refers to a portion of animal hide that has been processed and treated for use in various industries and products. There are several synonyms for "piece of leather" such as hide, pelt, skin, rawhide, and hide strip. These terms are often used interchangeably depending on the type and quality of the leather required. The texture, thickness, and color of the leather vary depending on the animal it comes from and the way it is processed. Some common products made from pieces of leather include shoes, belts, jackets, bags, and furniture upholstery. Overall, understanding the different terms for "piece of leather" can help in accurately describing and identifying different leather types.