We found 11 dictionaries that define the word trackballs:

General (9 matching dictionaries)

1. trackballs: Merriam-Webster
2. trackballs: Collins English Dictionary
3. trackballs: Vocabulary.com
4. Trackballs, trackballs: Wordnik
5. trackballs: Cambridge Advanced Learner's Dictionary
6. trackballs: Wiktionary
7. trackballs: Dictionary.com
8. Trackballs: Wikipedia, the Free Encyclopedia
9. trackballs: TheFreeDictionary.com

Computing (1 matching dictionary)

10. trackballs: Encyclopedia

Medicine (1 matching dictionary)

11. trackballs: Medical dictionary

(Note: See trackball as well.)

Definitions from Wiktionary (trackball) ▸ noun:  (computing) A pointing device consisting of a ball housed in a socket ▸ Also see trackball Opposite: trackpads, touchpads, mice ▸ Words similar to trackballs ▸ Usage examples for trackballs ▸ Idioms related to trackballs ▸ Wikipedia articles (New!) ▸ Popular adjectives describing trackballs ▸ Words that often appear near trackballs ▸ Rhymes of trackballs ▸ Invented words related to trackballs