vīsum, i, n. [video], something seen, ☞ sight, appearance, vision.
I In gen.: visa somniorum, Cic. Tusc. 1, 41, 97: talia visa, Prop. 2, 26 (3, 21), 20: dic age ... visa quid ista ferant, Ov. Am. 3, 5, 32: turpia, Prop. 2, 6, 28.—
II In partic., a transl. of the Gr. φαντασία, an impression made by some external object upon the senses , an image , Cic. Ac. 1, 11, 40; 2, 6, 18; 2, 24, 77.