1) Polished with an abrasive 2) Used a polishing material 
• (a.) Affected with a kind of chronic laminitis in which there is a growth of soft spongy horn between the coffin bone and the hoof wall. The disease is called pumiced foot, or pumice foot.
Pum'iced adjective (Far.) Affected with a kind of chronic laminitis in which there is a growth of soft spongy horn between the coffin bone and the hoof wall. The disease is called pumiced foot , or pumice foot .