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propeller

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propeller

Main Entry:: pro·pel·ler
Variant(s):: also pro·pel·lor \prə-ˈpe-lər\
Function:: noun
Date:: 1780

: one that propels ; especially : a device that consists of a central hub with radiating blades placed and twisted so that each forms part of a helical surface and that is used to propel a vehicle (as a ship or airplane)

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