Definition:
1. The act of perforating, or piercing, the tissue of the body, including the ear, and inserting an ornament into the opening. 2. A perforation in the tissue of the body and the wearing of an ornament in the opening. 3. Common usage: The perforation itself. E.g., “I changed the jewelry in my piercing.” 4. Common usage: The ornament that is worn in a perforation of the tissue. More accurately described as piercing jewelry, body piercing jewelry, or body jewelry. E.g., “My piercing fell out.”