paddlewheel
Definition
Noun: 1. A Propulsion Device: A large wheel fitted with paddles or flat boards around its circumference. It is rotated by an engine to push against water, thereby propelling a boat or ship.
Usage
The term "paddlewheel" specifically refers to the mechanical wheel itself, which is a key component of a paddle steamer's propulsion system. It is typically mounted on the side (side-wheeler) or at the stern (stern-wheeler) of a vessel.
Examples
- The historic riverboat was powered by a massive red paddlewheel at its stern.
- The engine's power turns the paddlewheel, churning the water and moving the boat forward.
- We watched the paddlewheel splash rhythmically as the steamboat navigated the river.
Advanced Usage
- As a defining feature: The word is often used to describe the type of vessel itself, e.g., "a paddlewheel ferry" or "a paddlewheel boat."
- Historical context: It is strongly associated with 19th-century steamboats used on rivers like the Mississippi.
Variants and Related Words
- Paddle steamer (n): The entire boat or ship that is propelled by a paddlewheel.
- Paddle boat (n): A smaller vessel, often for leisure, propelled by paddlewheels.
- Side-wheeler (n): A vessel with a paddlewheel on each side.
- Stern-wheeler (n): A vessel with a single paddlewheel at the rear.
Synonyms
- Propeller (n): A more modern device with rotating blades used for propulsion. (Note: A propeller is submerged, while a paddlewheel is typically partially above water.)
- Screw (n): Another term for a propeller.
Related Idioms and Phrases
- (To be) a paddlewheel short of a steamboat: A humorous, less common variant of idioms like "a few cards short of a full deck," implying someone is not very intelligent or is somewhat eccentric.
Noun
-
a large wheel fitted with paddles and driven by an engine in order to propel a boat
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