Trispast is spelled as /trɪs-pæst/. The word is a combination of two parts: "tri," which means three, and "spast," which refers to the bone in the human forearm. Together, they form a term used in orthopedics to refer to a fracture of the ulna, one of the two bones in the forearm. Understanding the correct spelling of medical terms is crucial for healthcare professionals and patients alike to ensure accurate diagnoses, treatment, and communication.