Definition of pistachio nut
:the nut of the pistachio tree containing a single oblong greenish edible seed used especially as a flavoring substance in cookery and confectionery
What's Trending Now
More Trending Words
pistachio nut
noun
Read the Latest from M-W
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up pistachio nut? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!