In United States politics and government, the term presidential nominee has two different meanings: 1. * A candidate for president of the United States who has been selected by the delegates of a political party at the party's national convention (also called a presidential nominating convention) to be that party's official candidate for the presidency. 2. * A person nominated by a sitting U.S. president to an executive or judicial post, subject to the advice and consent of the Senate. (See Appointments Clause, List of positions filled by presidential appointment with Senate confirmation.)