marriage point
n.β Β«For Mr. Rasche, the favorite part of the Bowling Green plant tour was the moment when the carβs assembled powertrain and chassis were pushed up into the sleek composite body from belowβa step the auto industry calls the marriage pointβand attached by a squad of workers.Β» ββTaking Delivery at the Plant to See Their Babies Born” by Stuart F. Brown New York Times Sept. 24, 2006. (source: Double-Tongued Dictionary)