A measure of land that consists of 43,560 sq. ft. of land with no regard for the shape of the land. A quantity of land containing 160 square rods or 4,840 square yards or 43,560 square feet. A piece of land, containing 160 square rods, or 4,840 square yards, or 43,560 square feet. This is the English statute acre. That of the United States is the same. The Scotch acre was about 1.26 of the English, and the Irish 1.62 of the English. The acre was limited to its present definite quantity by statutes of Edward I., Edward III., and Henry VIII. It does not matter what shape the land takes. This is also 4047 square meters. Any field of arable or pasture land.