Abbreviations or acronyms are commonly used to reference various agencies, branches of government, or officers of the federal government in the United States, and SCOTUS is one of them. What does SCOTUS mean? SCOTUS is an acronym for the Supreme Court of the United States. It is the head of the judicial branch of the United States government and is the highest court in the land. The court, composed of nine justices, including the likes of Brett Kavanaugh, Elena Kagan, and Ketanji Brown Jackson, is responsible for overseeing all federal district courts and appellate courts.