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 draw was its speed, propeller-less jet drives and ability to turn on a dime. —Michael Verdon, Robb Report, 7 Nov. 2025

The front of the plane appears to be missing a propeller. —Colson Thayer, PEOPLE, 5 Nov. 2025

The facility also serves as a center for aeroacoustics research, where scientists study the noise generated by aircraft components, from landing gear to propeller blades. —Kaif Shaikh, Interesting Engineering, 30 Oct. 2025

Catherine’s right leg was lacerated to the bone and nearly amputated by a propeller. —Grethel Aguila, Miami Herald, 20 Oct. 2025

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