The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A very large, luxurious oceangoing passenger ship.
- a. A railway car that is fitted with more capacious, comfortable, or luxurious accommodations than usual.b. A railway train composed of such cars.