(dated) the Chinese language

(obsolete) China expert or sinologue; China hand

(uncommon, archaic) Indochina, the Indochinese Peninsula

(dated, now usually derogatory) Chinaman (Chinese person)

(dated) the Second Sino-Japanese War

a dolphin or porpoise (the mammal)

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country

Short for 中国地方 (Chūgoku chihō): the Chūgoku region of Japan

a surname