両りょう生せい動どう物ぶつりょうせいどうぶつMeanings1nounamphibian; amphibious animalA biological term for animals that live both on land and in water, such as frogs and salamanders. In everyday contexts, 両生類 (りょうせいるい) is more common.カエルは代だい表ひょう的てきな両りょう生せい動どう物ぶつです。