caterpillar 2023.03.13 caterpillarとは 意味・定義・例文 Noun 名詞 きャタピラ US /ˈkætəˌpɪlər/ UK /ˈkætəpɪlə/ 1. a small creeping creature like a long hairy worm that turns into a butterfly or moth 芋虫, 毛虫 The caterpillar changed into a moth.