choo-choo

[choo-choo]Baby Talk.

noun

a train.
the sound of a steam locomotive.

verb (used without object), choo-chooed, choo-choo·ing.

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

Historical Examples of 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
Jack London
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
Lester Chadwick

British Dictionary definitions for choo-choo

choo-choo

noun

British a child's name for a railway train

Word Origin for choo-choo

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).