堅けん果かけんかじ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'nutBotanical term for a hard-shelled dry fruit that does not split open to release its seed. In everyday language, 木の実 or ナッツ is more common.ドングリはブナ科かの堅けん果かです。Acorns are nuts of the Fagaceae family.クルミは堅けん果かに分ぶん類るいされる。