貝かい覆おおいMeaningsNoun1. kai-awase; Heian-period shell-matching gameOther spellings貝かいおおい貝かい覆おおいUsage share unknownKanji used貝shellfish覆overturnComposed of貝かいshellfish; seashell; shellNoun覆おおいcover; mantle; shroud; hood; casingNoun