[vi.su.al] adj [ME, fr. LL visualis, fr. L visus sight, fr. videre to see] (1603) 1: of, relating to, or used in vision "~ organs"
2: attained or maintained by sight "~ impressions"
3: visible
4: producing mental images: vivid
5: done or executed by sight only "~ navigation"
6: of, relating to, or employing visual aids -- vi.su.al.ly adv
[2]visual n (1938): something (as a picture, chart, or film) that appeals to the sight and is variously used (as for illustration, demonstration, or promotion)--usu. used in pl.