causĭa, ae, f., = καυσία,
I a Macedonian white hat with a broad brim , worn in Rome by the poorer people , as a protection against the sun , Plaut. Mil. 4, 4, 42; id. Pers. 1, 3, 75; Val. Max. 5, 1, 4; Mart. 14, 29.—Hence,
II In milit. lang., a kind of roof for the protection of besiegers , = vinea, Veg. Mil. 4, 15.