: a small pair of extra wheels that are added to a child's bicycle so that the bicycle can be balanced more easily while the child is learning to ride it
What made you want to look up training wheels? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes