A cashew or a cashew nut is a curved nut that you can eat.
cashew in British English
(ˈkæʃuː, kæˈʃuː)
noun
1.
a tropical American anacardiaceous evergreen tree, Anacardium occidentale, bearing kidney-shaped nuts that protrude from a fleshy receptacle
2. Also called: cashew nut
the edible nut of this tree
Word origin
C18: from Portuguese cajú, from Tupi acajú
cashew in American English
(ˈkæʃu; also, kəˈʃu)
noun
1.
a tropical evergreen tree (Anacardium occidentale) of the cashew family, with kidney-shaped, poisonous nuts, each at the end of an edible, pear-shaped receptacle (cashew apple), yielding oils used to make various resins, plastics, etc.
2.
the nut, edible after being roasted
: also cashew nut
adjective
3.
designating a family (Anacardiaceae) of dicotyledonous trees, shrubs, and vines (order Sapindales), including the pistachio, mango, and sumac