potus
n. countable C1 Advanced po·tus
n. the short name for the President of the United States. It is often used in news reports or online to save space.
n. an acronym for the President of the United States. Often used as a title or a shorthand reference in political journalism and official communications.
The POTUS is scheduled to give a speech tonight.
Security around the building increased significantly just before the POTUS arrived for the summit.
Usage
Usually used with the definite article ('the POTUS') or as a proper noun in address.