こう ハチ公 LinksSentence search for ハチ公Sentence search for ハチこうKanji details for 公Edit in JMdict Noun1. Hachikō; Akita dog that waited every day at Shibuya station for the return of his owner (1923-1935)See also 忠犬ハチ公 ちゅうけんハチこう Discussions Log in to talk about this word.