A surname transferred from the given name.

(history) The northern part of Vietnam, a former French colonial region / A gulf in northern Vietnam: the Gulf of Tonkin

plural of Tonkin

A gulf at the northwestern portion of the South China Sea, located off the coasts of northern Vietnam (Tonkin) and South China.

Bufo pageoti, a species of true toad found in parts of China, Vietnam, and Myanmar.

Of or relating to Tonkin, the northern part of Vietnam.

A person from Tonkin. / A domestic cat of a breed that is a cross between the Siamese and Burmese.

The language of Tonkin; northern Vietnamese.

present participle of tonk