abstract:A shaduf (an Arabic word, شادوف, šādūf; also anciently known by the Greek name κήλων or κηλώνειον, kēlōn or kēlōneion) is an irrigation tool. A less common English translation is swape and commonly called a well pole, well sweep or simply a sweep in the United States.
N
a mechanism for raising water, consisting of a pivoted pole with a bucket at one end and a counterweight at the other, esp as used in Egypt and the Near East 桔槔; 埃及等地汲水用的设备