pistachio

noun

pis·​ta·​chio pə-ˈsta-sh(ē-ˌ)ō How to pronounce pistachio (audio) -ˈstä- How to pronounce pistachio (audio)
plural pistachios
: a small Asian tree (Pistacia vera) of the cashew family whose drupaceous fruit contains a greenish edible seed
also : its seed

Examples of pistachio in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pistachio-mania doesn’t stop there with Starbucks’ new Iced Dubai Chocolate Matcha and Iced Dubai Chocolate Mocha. Sabrina Weiss, PEOPLE, 8 Jan. 2026 Tuck into the popular lamb lollipops with pistachio-mint pesto, the Alfredo Mafaldine or pan-roasted sea scallops. Kathryn Streeter, Condé Nast Traveler, 8 Jan. 2026 The pistachio is from over there. Steve Metsch, Chicago Tribune, 8 Jan. 2026 The pistachio flavor became an ice cream sensation in the 1940s, with desserts like green fluff and Watergate salad following suit in the 1970s. Karen Brewer Grossman, Southern Living, 7 Jan. 2026 See All Example Sentences for pistachio

Word History

Etymology

Italian pistacchio, from Latin pistacium pistachio nut, from Greek pistakion, from pistakē pistachio tree, of Iranian origin; akin to Persian pistah pistachio tree

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of pistachio was in 1598

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Cite this Entry

“Pistachio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pistachio. Accessed 13 Jan. 2026.

Kids Definition

pistachio

noun
plural pistachios
: a small Asian tree that is related to the sumacs and has a fruit containing a greenish edible seed
also : its seed

More from Merriam-Webster on pistachio

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