noun🔗Share腹脚(ふっきゃく)An appendage of the abdomen of some insect larvae, such as caterpillars, which is used like a leg."The caterpillar used its prolegs to grip the leaf as it munched. "イモムシは、むしゃむしゃ食べながら、腹脚を使って葉をつかみました。animalinsectbiologyanatomypartChat with AIVocabulary GamePractice Reading