1 a devotional painting or carving, usu. on wood, of Christ or another holy figure, esp. in the Eastern Church.
2 an image or statue.
3 Computing a symbol or graphic representation on a VDU screen of a program, option, or window, esp. one of several for selection.
4 Linguistics a sign which has a characteristic in common with the thing it signifies.
Etymology: L f. Gk eikon image
Useful english dictionary. 2012.