Unit of length equal to 36 inch es, or 3 feet (see foot ), in the U.S. Customary System or 0.
9144 metre in the International System of Units . A cloth yard, used to measure cloth, is 37 in. long; it was also the standard length for arrows. In casual speech, a yard (e.g., of concrete, gravel, or topsoil) may refer to a cubic yard.