choo-choo /ˈtʃuː tʃuː/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: From the sound of a steam train ]
spoken a train – used by children or when speaking to children
choo-choo /ˈtʃuː tʃuː/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: From the sound of a steam train ]
spoken a train – used by children or when speaking to children
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012