autoptic,a.|ɔːˈtɒptɪk| [ad.Gr. αὐτοπτικός, f. αὔτοπτος: see autopsy n. and -ic.] Of, or of the nature of, an eye-witness; based on personal observation. 1849Alford Grk. Test. I. 48 Undoubted marks of autoptic testimony.1861Jrnl. Sacr. Lit. XIV. 196 Canon Stanley, who in this case is an autoptic witness.