choo choo

noun

Definition of choo choo

informal
1 or choo choo train : a railroad train used by young children or by adults speaking to young childrenHere comes the choo choo!
2 : the sound a train makes used by young children or by adults speaking to young children

Comments on choo choo

What made you want to look up choo choo? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a calculated move

Get Word of the Day daily email!

Test Your Vocabulary

Confusing Words—A Quiz

  • alice with tweedle dee and tweedle dum
  • I invented a brand new toaster robot and ______ it "Sir Toasts-a-Lot."
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!