A surgeon's case of instruments is an essential tool in any medical professional's arsenal. However, there are various other terms that can be used when referring to this equipment, depending on the particular context. For instance, some people refer to it as a surgical tray, a surgical kit, or even a surgical pack. These terms are used interchangeably and refer to the same set of instruments that a surgeon uses during a procedure. Other synonyms for this medical equipment include surgical instruments, surgical tools, and surgical appliances. Ultimately, the choice of terminology used when referring to a surgeon's case of instruments can vary depending on the medical context or the surgical procedure being performed.