もみじがい 紅葉貝 LinksSentence search for 紅葉貝Sentence search for もみじがいSentence search for モミジガイKanji details for 紅, 葉 and 貝Edit in JMdict Noun1. Astropecten scoparius (species of starfish)Usually written using kana aloneOther formsモミジガイ Discussions Log in to talk about this word.