Emily Dickinson Lexicon

VIS'U-AL, a. [s as z; Fr. visuel; It. visuale; from L. visus.]

Pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. – Bacon. Milton. The air, / No where so clear, sharpen'd his visual ray. – Milton. Visual point, in perspective, a point in the horizontal line, in which all the ocular rays unite. – Cyc. Visual rays, lines of light, imagined to come from the object to the eye. – Cyc.