1. The person who holds the office of head of state of the United States government
   "the POTUS likes to jog every morning";
   - President of the United States, United States President, President, Chief Executive
    
2. The office of the United States head of state
   "a POTUS is elected every four years";
   - President of the United States, President, Chief Executive

Type of: chief of state, head of state, presidency, presidentship

Part of: executive branch, Executive Office of the President

Encyclopedia: POTUS