vīsum — Lewis & Short
vīsum, i, n.video,
I 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. fantasi/a, an impression made by some external object upon the senses, an image, Cic. Ac. 1, 11, 40; 2, 6, 18; 2, 24, 77.