ほたるい 蛍藺 LinksSentence search for 蛍藺Sentence search for ほたるいSentence search for ホタルイKanji details for 蛍 and 藺Edit in JMdict Noun1. Scirpus hotarui (species of bulrush)Usually written using kana aloneOther formsホタルイ Discussions Log in to talk about this word.