basterna, ae, f.,
a sedan chair or litter , enclosed on all sides , and carried by mules , Pall. 7, 2, 3; Lampr. Elag. 21; Amm. 14, 6, 16; Hier. Ep. 22 ad Eustoch. n. 16; cf. Isid. Orig. 20, 12, 5.