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seatrain

American  
[see-treyn] / ˈsiˌtreɪn /

noun

  1. a ship for the transportation of loaded railroad cars.

Etymology

Origin of seatrain

First recorded in 1930–35; sea + train

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.