卵かいalso: かいごじ字FuriganaAudioMeanings1nounegg; eggshellarchaicArchaic word for 'egg' or 'eggshell'. In modern Japanese, たまご is used for 'egg' and 卵の殻 for 'eggshell'. Found only in classical texts or historical contexts.古こ語ごでは「かい」は卵たまごを意い味みした。Break this sentence down in the analyzerIn classical Japanese, 'kai' meant egg.この古こ文ぶん書しょには「卵かい」という表ひょう記きが見みられる。Break this sentence down in the analyzerIn this old document, the notation '卵 (kai)' can be seen.