We found 4 dictionaries that define the word cotton balls:

General (3 matching dictionaries)

1. cotton balls: Vocabulary.com
2. cotton balls: Wiktionary
3. Cotton balls: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)

4. cotton balls: Urban Dictionary

(Note: See cotton_ball as well.)

Definitions from Wiktionary (cotton ball) ▸ noun:  A ball of cotton wool. ▸ Also see cotton_ball ▸ Words similar to cotton balls ▸ Usage examples for cotton balls ▸ Idioms related to cotton balls ▸ Wikipedia articles (New!) ▸ Words that often appear near cotton balls ▸ Rhymes of cotton balls ▸ Invented words related to cotton balls