box seat

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A seat in a box at a public place of entertainment, such as a theater or stadium.
• noun A storage box on a coach, the lid of which serves as a seat for the driver.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A seat among a group of seats in an enclosure, as at a theater or stadium.
• noun idiomatic A favorable vantage point.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the driver's seat on a coach
• noun a special seat in a theater or grandstand box