Medical Definition of dorsiflexion. : flexion in a dorsal direction; especially : flexion of the foot in an upward directionâcompare plantar flexion.
Willis Tower. The Willis Tower, built as and still commonly referred to as Sears Tower, is a 108-story, 1,450-foot (442.1 m) skyscraper in Chicago, Illinois, United States.
New York's Nordstrom Tower set to become tallest residential structure in the world at 1,775ft (making it just a foot shorter than One World Trade Center) 1  The Nordstrom Tower is under construction on West 57th Street in Manhattan and will be completed in 2018. It will measure 1,775 feet at its spire - which is 300 feet taller than anything else in Midtown but one foot shorter than One World Trade Center.