choo-choo

American  

[choo-choo] / ˈtʃuˌtʃu /

noun

1. a train.

2. the sound of a steam locomotive.

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verb (used without object)

choo-chooed, choo-chooing

1. to make a sound like that made by a steam locomotive.

2. to travel by train.

choo-choo British  

/ ˈtʃuːˌtʃuː /

noun

1. a child's name for a railway train

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Etymology

Origin of choo-choo

First recorded in 1900–05; imitative

Example Sentences

Then, she is on her way, leading a "choo-choo train" formed by a line of delighted children, sprinkling humour, happiness and even a little hope, but not the real aid they so desperately need.

From BBC • Feb. 1, 2026

“He’s like a choo-choo train. It’s just, ‘Choo choo!'”

From Seattle Times • Dec. 30, 2021

And it had accelerating choo-choo rhythms that acquired almost dictatorial speed once the immortal Carol Channing, as Dolly, joined the song, encouraging everyone in boring old Yonkers to dress up and get on the train.

From New York Times • Dec. 27, 2019

Because while Chattanooga has advanced beyond its choo-choo days, it still embraces old-fashioned Southern gentility.

From Washington Post • Sep. 20, 2017

When they were all doing the march-and-hop, they formed a train, hands on shoulders, and did a choo-choo or conga around the gym.

From "P.S. Be Eleven" by Rita Williams-Garcia