screw propeller

noun
  1. a rotary propelling device, as for a ship or airplane, consisting of a number of blades that radiate from a central hub and are so inclined to the plane of rotation as to tend to drive a helical path through the substance in which they rotate.

Origin of screw propeller

First recorded in 1830–40
Related formsscrew-pro·pelled, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of screw propeller


British Dictionary definitions for screw propeller

screw propeller

noun
  1. an early form of ship's propeller in which an Archimedes' screw is used to produce thrust by accelerating a flow of water
Derived Formsscrew-propelled, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012