noun precedent.
2. president ·noun a protector; a guardian; a presiding genius.
3. president ·noun the chief officer of a corporation, company, institution, society, or the like.
4. president ·adj occupying the first rank or chief place; having the highest authority; presiding.
5. president ·noun one who is elected or appointed to preside; a presiding officer, as of a legislative body.
6. president ·noun the chief executive officer of the government in certain republics; as, the president of the united states.