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.
Government and infrastructure[edit] The United States Postal Service Willis Post Office is located at 609 North Campbell Street. Willis is represented in the United States House of Representatives by Kevin Brady (R) and in the Texas State Senate by Robert Nichols (R).