rood
"An area unit which is equivalent to 1 furlong x 1 rod. This is equal to an area of 1,011.714,1056 square meters, or 40 square rods." [Wikipedia:Wikipedia]
rood based unit
rood
"An area unit which is equivalent to 1 furlong x 1 rod. This is equal to an area of 1,011.714,1056 square meters, or 40 square rods." [Wikipedia:Wikipedia]