Definition of "main office" []

• The office that serves as the administrative center of an enterprise (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Fortunately, Mrs. Armstrong allows her to retreat strategically to the back of the room whenever confinement to a desk chair becomes unbearable for Meg. To help her meet the all-consuming need to discharge her surplus of physical energy, Meg is regularly assigned to run errands to the main office and other destinations."
• "The main office secretary saw it was for a gay-straight alliance and said, ‘I think Mr. Arbuthnot will want to speak to you about this.’"
• "The main office is equipped with all modern communication facilities, including telexes."