1. a small greenish edible nut with a hard shell
2. the tree that produces pistachios, native to western Asia

1. having a pale yellowish-green color like a pistachio nut

Examples

• She cracked open the pistachio shell to eat the nut inside.
• The ice cream shop offered pistachio as one of their specialty flavors.
• He bought a bag of salted pistachios for the movie.
• The pistachio tree grows well in Mediterranean climates.
• Her dress was a beautiful pistachio green color.
• The bakery made pistachio cookies with real nuts.
• California produces most of the pistachios grown in the United States.