a device consisting of a long, pivoted pole with a bucket on one end and a weight on the other, used in the Near East for raising water, esp. in irrigating land
See shadoof in American Heritage Dictionary 4
also sha·duf(shä-do͞ofˈ)
noun
A device consisting of a long suspended pole weighted at one end and having a bucket at the other end, used in the Near East and especially Egypt for raising water, as for the irrigation of land.