We found 2 dictionaries that define the word squash balls:

General (2 matching dictionaries)

1. squash balls: Vocabulary.com
2. squash balls: Wiktionary

(Note: See squash_ball as well.)

Definitions from Wiktionary (squash ball) ▸ noun:  A small rubber ball used in the game of squash. ▸ Also see squash_ball ▸ Words similar to squash balls ▸ Usage examples for squash balls ▸ Idioms related to squash balls ▸ Wikipedia articles (New!) ▸ Words that often appear near squash balls ▸ Rhymes of squash balls ▸ Invented words related to squash balls