We found 8 dictionaries that define the word ping-pong ball:

General (8 matching dictionaries)

1. ping-pong ball: Vocabulary.com
2. ping-pong ball: Wordnik
3. ping-pong ball: Dictionary.com
4. Ping-pong ball: Wikipedia, the Free Encyclopedia
5. ping-pong ball: Rhymezone
6. ping-pong ball: FreeDictionary.org
7. ping-pong ball: Mnemonic Dictionary
8. Ping-pong ball: TheFreeDictionary.com

(Note: See ping-pong_balls as well.)

Definitions from WordNet (ping-pong ball) ▸ noun:  light hollow ball used in playing table tennis ▸ Words similar to ping-pong ball ▸ Usage examples for ping-pong ball ▸ Idioms related to ping-pong ball ▸ Wikipedia articles (New!) ▸ Words that often appear near ping-pong ball ▸ Rhymes of ping-pong ball ▸ Invented words related to ping-pong ball