twin-screw

[ twin-skroo ]

/ ˈtwɪnˈskru /

(of a vessel) having two screw propellers, which usually revolve in opposite directions.

Origin of twin-screw

First recorded in 1860–65

In twin-screw boats there are two distinct engines, one for each propeller.

The Romance of War Inventions |Thomas W. Corbin
The twin-screw liner, Fruitlands,—do you really want the first?

She Buildeth Her House |Will Comfort
The turbine, with the twin-screw propeller, develops from six to seven horse-power for every ton of machinery.

The Story of Great Inventions |Elmer Ellsworth Burns
Not so the twin-screw ship; for on such ships the screws can be used for steering as well as propelling.

Every-day Science: Volume VII. The Conquest of Time and Space |Henry Smith Williams

The steam-turbine and the twin-screw propeller have made rapid ocean travel possible.

The Story of Great Inventions |Elmer Ellsworth Burns

twin-screw

(of a vessel) having two propellers