Noun
a child's word for locomotive
Source: WordNetchoo choo
After a Hawaiian dance craze began, he wrote "That Hula-Hula", and then did a string of southern songs, such as "When the Midnight Choo-Choo Leaves for Alabam". Source: Internet
Kenmare residents and visitors can now enjoy breakfast and lunchtime dining at the Choo-Choo Cafe downtown on the south side of the square. Source: Internet
When his mother pulled out the T-shirt … the child looked up and said “Choo-choo.” Source: Internet