propeller

noun

pro·​pel·​ler prə-ˈpe-lər 

variants or less commonly propellor

: 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 (such as a ship or airplane)

Examples of propeller in a Sentence

Recent Examples on the Web

The stern was the targeted for major artifact recoveries from 1998 to 2002, including the removal of the engine, propeller, and turret for preservation at The Mariners’ Museum and Park in Newport News, Virginia. —Mark Price, Charlotte Observer, 10 Mar. 2026

In this setup, two propellers operate simultaneously, improving thrust and maneuverability for massive cargo vessels navigating ports and narrow channels. —Sujita Sinha, Interesting Engineering, 9 Mar. 2026

Like every Greenline, the new 42 can be equipped with either a diesel propulsion system comprising twin 250hp Yanmar engines or a proprietary hybrid setup with 23kW electric motors between the diesel engine and the propeller. —Rachel Cormack, Robb Report, 9 Mar. 2026

Through a specialized gearbox, both power sources can drive the propeller shaft simultaneously, sharing the workload rather than operating sequentially. —David Szondy march 07, New Atlas, 7 Mar. 2026

Word History

Etymology

propel + -er entry 2

First Known Use

1780, in the meaning defined above

Phrases Containing propeller

• propeller-head
• screw propeller

Rhymes for propeller

• bestseller
• bookseller
• flagellar
• impeller
• lamellar
• micellar
• modeller
• ocellar
• patellar
• reseller
• scutellar
• beller

Kids Definition

propeller

noun

pro·​pel·​ler prə-ˈpel-ər 

: a device consisting of a hub fitted with blades that is made to turn rapidly by an engine and is used especially for propelling airplanes and ships