Surgery is a medical specialty that involves the diagnosis, treatment, and prevention of diseases and injuries. It is typically performed in a hospital or CLINIC setting, and can involve a variety of procedures, from minor operations such as suturing a wound to major operations such as organ transplants. The term 'surgery' can refer to the act of performing an OPERATION, as well as the place where it is performed. The term 'OPERATION' is a nine-letter word for a surgical procedure, while 'CLINIC' is a six-letter word for a medical facility where surgeries are performed. Lastly, 'ORAL' is a four-letter word for a type of surgery that focuses on the mouth and jaw.