The crossword solution for the term 'Ambulance Abbr.' is EMS, which stands for Emergency Medical Services. EMS is a system of medical care that provides emergency medical services to people in need of urgent medical attention. EMS personnel are trained to respond quickly to medical emergencies and provide life-saving treatments such as CPR, first aid, and advanced life support. EMS personnel also transport patients to hospitals and other medical facilities. EMS is an important part of the healthcare system and is essential for providing timely medical care in emergency situations.