bicycle 2023.03.13 bicycleとは 意味・定義・例文 Noun 名詞 バイシクル US /ˈbaɪsɪkəl/ UK /ˈbaɪsɪkl/ 1. a light vehicle with two wheels, one behind the other, that you sit on it and move your legs to make the wheels turn and go forward 自転車 get on a bicycle