president

1. president (noun) — sense 1

Definition: The head of state of a republic, sometimes also the head of government as well, particularly (US politics) the head of the executive branch of the federal government of the United States of America.

Example: The vast majority of presidents have been male.

2. president (noun) — sense 2

Definition: A person presiding over a corporation, usually an executive overseeing daily operations under a chief executive officer but sometimes a separate position held by a CEO.

3. president (noun) — sense 3

Definition: A person presiding over a meeting.

Example: The President of the Senate shall, in the presence of the Senate and House of Representatives, open all the certificates and the votes shall then be counted;
The person having the greatest number of votes for President, shall be the President,[…]

4. president (adj) — sense 4

Definition: Occupying the first rank or chief place; having the highest authority; presiding.

Example: His angels president / In every province.

5. president (verb) — sense 5

Definition: To act as president; to do presidential duties.

Example: Although in other ways you couldn’t imagine two more dissimilar men, [Scott Wiener's] ferociously active spirit resembles the Bolshevik antsiness of Donald Trump. The current president is attractive to some voters who might not agree with his values, or his language, or even his policies, but who like that the president is, well, presidenting. Last year, Trump bulldozed the East Wing of the White House, one of the most recognizable historic sites in the United States. [In contrast,] In Democratic cities, people demand 38 meetings and three dozen environmental assessments before tearing down a crack den to build a nursery for sad orphans.