paddlewheel

• Grande roue munie de pales ou d'aubes, entraînée par un moteur et utilisée pour propulser un bateau.

A large wheel fitted with paddles and driven by an engine, used to propel a boat.

1. Boat propulsion wheelB2formal

   A large wheel with flat blades (paddles) attached to its rim, turned by a steam engine to move a boat through water.

   roue à aubes

   • The old steamboat was powered by a large paddlewheel at its stern.
   • Paddlewheels were a common sight on rivers in the 19th century.
   • The engine turned the paddlewheel, churning the water and pushing the boat forward.