Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An ancient apparatus for raising water, consisting of either a spiral tube around an inclined axis or an inclined tube containing a tight-fitting, broad-threaded screw. Also called Archimedes' screw.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

After Archimedes.

Examples

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