Noun

1. The office or role of president.

   After many years as a party leader, she finally ascended to the presidency.

2. The bureaucratic organization and governmental initiatives devolving directly from the president.

   Because of the president's lame duck status, the presidency was often hampered by congressional actions.

3. The time during which one is president; a president's term of office.

   In France, a presidency lasts for five years.

   Ernest was a historian specializing in the presidency of Herbert Hoover.