にわやなぎ 庭柳 LinksSentence search for 庭柳Sentence search for にわやなぎSentence search for ニワヤナギKanji details for 庭 and 柳Edit in JMdict Noun1. knotgrass (Polygonum aviculare)Usually written using kana alone, See also 道柳Other formsニワヤナギ Discussions Log in to talk about this word.