Cheju
geographical name
Che·ju
| \ ˈjā-ˌjü
\
\
variants:
or JeJu
or formerly Quelpart \ ˈkwel-ˌpärt
\
\
Definition of Cheju
island of South Korea south of the mainland in the northern part of the East China Sea area 706 square miles (1829 square kilometers)