Definition of "presiding officer" [presiding officer]

• The leader of a group meeting (noun)

WordNet. Princeton University. 2010.

• "Mrs. Hamill was still the presiding officer at its jubilee anniversary in 1867."
• "Therefore, when the presiding officer of the council, Mrs. May Wright Sewall, saw Mr. Douglass enter the convention hall in Washington on this particular morning, she appointed Susan B. Anthony and me a committee to escort him to a seat on the platform, which we gladly did."
• "Burr did not take his seat as presiding officer of the Senate, and in February, after the election of Jefferson, Hillhouse was chosen to fill his place pro tem."