headhouse
 n.— «By the autumn of 2007, the first new aboveground structure at ground zero in four years should be completed, on Vesey Street. This will be a passenger entrance pavilion, or headhouse. It will serve the temporary PATH terminal until the permanent transportation hub.…From the intermediate platform, eight escalators, two stairways and an elevator will rise 42 feet to the headhouse opposite the new park outside 7 World Trade Center.» —“The Unseen Work Below Ground Zero” by David Dunlap New York Times June 16, 2006. (source: Double-Tongued Dictionary)

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