山口洋 shānkǒuyáng Singkawang Origin Definitions Defs Strokes Stroke Words Sentences Sents 山口 shānkǒu Yamaguchi a Japanese surname and place name; specifically refers to Yamaguchi prefecture in southwest Honshū洋 yáng nounproper noun ocean (bound form) ocean; the vast body of water covering most of the earth's surface