noun🔗ShareThe sound made by a steam locomotive."The little boy loved to imitate the choo-choo of the passing train. "soundvehiclemachineChat with AIVocabulary GamePractice Reading
noun🔗ShareA railway locomotive."The little boy pointed at the passing choo-choo and waved excitedly. "vehiclemachineChat with AIVocabulary GamePractice Reading
noun🔗ShareA railway train. (Also called a choo-choo train)"My little brother loves to play with his wooden choo-choo on the living room floor. "vehiclemachineentertainmentChat with AIVocabulary GamePractice Reading