rŏtŭla, ae, f. (collat. form rŏtŭlus, i, m., Calp. Ecl. 7, 50), dim. [rota], a little wheel, Plaut. Pers. 3, 3, 38; Col. 11, 3, 52; Plin. 18, 18, 48, § 172; Pall. 1, 20.