noun
cucumber
KYOO-kuhm-ber/ˈkjuːkʌmbər/
A long green vegetable with crisp, watery flesh.
The sliced cucumber shows pale watery flesh and a seeded center.

Etymology
Latin cucumis already named the cucumber. Its deeper origin is uncertain, though it may come from a pre-Italic Mediterranean language.
In context
one monkey always got a piece of cucumber, and the other monkey sometimes got a piece of cucumber, but sometimes got a grape