Definition of "roka" []

• A large East African tree. Trichilia emetica, whose fruit is considered emetic, and whose seeds yield a fatty oil. (noun)

The Century Dictionary (Public Domain)

• "To add to your list of names, in Greece this plant is known as roka ρόκα."
• "The catchphrase on campus is "roka" - short for "remoted controlled" - education."
• "The "roka" is an advance that a buyer would pay a seller after which the seller would stop showing the land to others."