Definition of playground ball
1 : softball
2 : an inflatable colored rubber ball (as of 5, 6, or 8 inches in diameter) used by children in simple games and for learning ball-handling skills
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up playground ball? Please tell us where you read or heard it (including the quote, if possible).