Definition of choo-choo in English:

choo-choo

Line breaks: choo-choo
Pronunciation: /ˈtʃuːtʃuː
 
/
(also choo-choo train)

noun

  • A child’s word for a railway train or locomotive.
    More example sentences
    • And there's always the smell of apples, just like in the country when I was little and used to think I was a choo-choo train, running through the fields of corn and chugging up the hill to the orchard.
    • Come on ride the train; it's the choo-choo train!
    • The grandfather was dressed as a choo-choo train bound for Wonderland.

Origin

early 20th century (originally US): imitative.

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