One Piece Encyclopedia

Zatsuyou "Odd jobs" - Recruits in learning status that do the odd jobs, for example the cleaning.
Zoan One of the three families of the Akuma no Mi (Devil Fruits). This family grants powers that allow to transform into an animal or half human half animal.
Zousenjima "Shipbuilding Island" - Center of Water Seven where the shipbuildings of the city are located.