[choo-choo]Baby Talk.
verb (used without object), choo-chooed, choo-choo·ing.
  1. to make a sound like that made by a steam locomotive.
  2. to travel by train.

Origin of choo-choo

First recorded in 1900–05; imitative Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for choo-choo

Historical Examples of choo-choo

British Dictionary definitions for choo-choo


  1. 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).

Online Etymology Dictionary, © 2010 Douglas Harper