POTUS PART is an acronym for President of the United States, which is the highest elected office in the United States. The term POTUS PART is a crossword solution for the four-letter word PRES, which is short for President. The President of the United States is the head of state and head of government of the United States, and is the commander-in-chief of the United States Armed Forces. The President is elected to a four-year term by the people of the United States through the Electoral College.