Dictionary

Archimedes' screw

noun Ar·chi·me·des' screw \ˌär-kə-ˈmē-dēz-\

Definition of ARCHIMEDES' SCREW

:  a device made of a tube bent spirally around an axis or of a broad-threaded screw encased by a cylinder and used to raise water

Illustration of ARCHIMEDES' SCREW

Origin of ARCHIMEDES' SCREW

Archimedes
First Known Use: 1728

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