We found one dictionary that defines the word ruby flies:

General (1 matching dictionary)

1. ruby flies: Merriam-Webster

▸ Words similar to ruby flies ▸ Usage examples for ruby flies ▸ Idioms related to ruby flies ▸ Wikipedia articles (New!) ▸ Words that often appear near ruby flies ▸ Rhymes of ruby flies ▸ Invented words related to ruby flies