じねんじょ 自然薯 LinksSentence search for 自然薯Sentence search for じねんじょSentence search for 自然生Sentence search for じねんじょうKanji details for 自, 然 and 薯Edit in JMdict Noun1. Japanese yam (Dioscorea japonica)Other forms自然生 【じねんじょ】、自然生 【じねんじょう】 Discussions Log in to talk about this word.