そう サボン草 LinksSentence search for サボン草Sentence search for サボンそうSentence search for 石鹸草Sentence search for 石鹼草Sentence search for サボンソウKanji details for 草Edit in JMdict Noun1. soapwort (Saponaria officinalis)Other forms石鹸草 【サボンそう】、石鹼草 【サボンそう】、サボンソウNotes石鹼草: Out-dated kanji or kanji usage. Discussions Log in to talk about this word.