ひちょうきん 腓腸筋 LinksSentence search for 腓腸筋Sentence search for ひちょうきんSentence search for はいちょうきんKanji details for 腓, 腸 and 筋Edit in JMdict Noun1. gastrocnemius muscleObsolete term, See also 腓腹筋Other forms腓腸筋 【はいちょうきん】Notesはいちょうきん: Irregular kana usage. Discussions Log in to talk about this word.