rotor ship
Also found in: Wikipedia.
rotor ship
n.
A ship having one or more tall motor-driven cylindrical rotors that interact with the wind to generate a propulsive force by means of the Magnus effect.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.