Definition

A device with blades that spins to push an aircraft or boat forward by moving air or water.

Example

The pilot adjusted the propeller to improve the plane's speed.

Conversation

Did you see how fast that boat was moving yesterday?

Yeah, I think it had a really powerful propeller.

I wonder how they design those propellers to work so efficiently.

It must be all about the angle and shape of the blades!

Synonyms & Antonyms

Root Explanation

Propeller → It is formed from "pro-" (meaning forward) and "pellere" (meaning to drive or push). The word "propeller" refers to a device that drives or pushes something forward, typically in the context of vehicles like boats or airplanes.

Memory Tip

Think of something that 'pushes forward' — 'pro-' means forward, and 'pellere' means to drive. This helps you remember that a propeller is a device that pushes a vehicle forward.

Visually Confused Words