Definition of Foot
A measure of length containing twelve inches or one-third of a yard. The base, bottom, or foundation of anything; and, by metonomy, the end or termination; as the foot of a fine. The terminal part of the leg. That part of leg at or below ankle joint; including the arch. Trustees for Arch Preserver Shoe Patents v. James McCreery & Co., Cust. & Pat.App., 49 F.2d 1068, 1071. See also Foundation.
That's the definition of Foot in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.