The crossword solutions for the term FOOT OR YARD are UNIT, which is a four letter word. A UNIT is a standard measurement of length, area, volume, or mass. The most common units of length are the foot and the yard. The foot is a UNIT of length equal to 12 inches, while the yard is a UNIT of length equal to 3 feet. Both the foot and the yard are used to measure distances and are commonly used in the United States.