We found one dictionary that defines the word persian walnuts:

General (1 matching dictionary)

1. Persian walnuts: Vocabulary.com

(Note: See persian_walnut as well.)

Definitions from Wiktionary (Persian walnut) ▸ noun:  Synonym of English walnut (Juglans regia) ▸ Also see persian_walnut ▸ Words similar to persian walnuts ▸ Usage examples for persian walnuts ▸ Idioms related to persian walnuts ▸ Wikipedia articles (New!) ▸ Words that often appear near persian walnuts ▸ Rhymes of persian walnuts ▸ Invented words related to persian walnuts