We found 9 dictionaries that define the word curve balls:

General (6 matching dictionaries)

1. curve balls: Collins English Dictionary
2. curve balls: Vocabulary.com
3. curve-balls: Wordnik
4. curve balls: Cambridge Advanced Learner's Dictionary
5. curve balls: Dictionary.com
6. curve balls: TheFreeDictionary.com

Computing (1 matching dictionary)

7. curve balls: Encyclopedia

Medicine (1 matching dictionary)

8. curve balls: Medical dictionary

Miscellaneous (1 matching dictionary)

9. curve balls: Idioms

(Note: See curve_ball as well.)

Definitions from WordNet (curve ball) ▸ noun:  a baseball thrown with spin so that its path curves as it approach the batter ▸ Also see curve_ball ▸ Words similar to curve balls ▸ Usage examples for curve balls ▸ Idioms related to curve balls ▸ Wikipedia articles (New!) ▸ Words that often appear near curve balls ▸ Rhymes of curve balls ▸ Invented words related to curve balls