VIS'UAL, adjective s as z. [Latin visus.] Pertaining to sight; used in sight; serving as the instrument of seeing; as the visual nerve. The air, no where so clear, sharpen'd his visual ray. Visual point, in perspective, a point in the horizontal line, in which all the ocular rays unite. Visual rays, lines of light, imagined to come from the object to the eye.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI