Jitensha (自転車) means 'bicycle' or 'bike.' It's a common two-wheeled vehicle that you pedal to move, often used for commuting to school or work, or for leisure. For instance, '毎日、自転車で学校に行きます' (I go to school by bicycle every day).

ペダルをこいで進む「二輪の乗り物」のことです。例：自転車に乗ります。