おおのがい 大野貝 LinksSentence search for 大野貝Sentence search for おおのがいSentence search for オオノガイKanji details for 大, 野 and 貝Edit in JMdict Noun1. Mya arenaria oonogai (subspecies of soft-shell clam)Usually written using kana aloneOther formsオオノガイ Discussions Log in to talk about this word.