背はい甲こうはいこうじ字FuriganaMeanings1nouncarapaceZoological term for the hard upper shell of turtles, crustaceans, and some other animals.カメの背はい甲こうは肋ろっ骨こつと融ゆう合ごうしている。A turtle's carapace is fused with its ribs.
