- a train.
- the sound of a steam locomotive.
- to make a sound like that made by a steam locomotive.
- to travel by train.
Origin of choo-choo
First recorded in 1900–05; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for choo-choo
But Ozoneville was recommended to give tone to Choo-choo's nerves.Mr. Punch's History of Modern England Vol. IV of IV.
Charles L. Graves
There dearie, dont you want to go in the choo-choo cars to see Mamma?Blue Robin, the Girl Pioneer
Rena I. Halsey
At what station do I climb onto the choo-choo cars, or at what water-tank do I get thrown off?Smoke Bellew
There was a little cabin in it, and seats out on deck, and a little engine that went "choo-choo!"Uncle Wiggily's Adventures
Howard R. Garis
It was evident that this was a sort of signal or watchword among the members of the Order of Choo-Choo.Baseball Joe on the School Nine
- British a child's name for a railway train
C20: of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for choo-choo
Child's name for "steam-engine locomotive," 1895, echoic (choo-choo cars is attested from 1891).
Online Etymology Dictionary, © 2010 Douglas Harper