Breadcrumb Home > Dictionary > Index C choo-choo: Meaning and Definition of Find definitions for: choo-choo Pronunciation: (ch'ch"), [key] — n., v., -chooed, -choo•ing. —n. a train. the sound of a steam locomotive. —v.i. to make a sound like that made by a steam locomotive. to travel by train. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: choo-choo (Thesaurus) Chonju chook TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language