Eastern Church. a representation of some sacred personage, as Christ or a saint or angel, painted usually on a wood surface and venerated itself as sacred.
3.
a sign or representation that stands for its object by virtue of a resemblance or analogy to it.
4.
Computers. a picture or symbol that appears on a monitor and is used to represent a command, as a file drawer to represent filing.
5.
Semiotics. a sign or representation that stands for its object by virtue of a resemblance or analogy to it.
A representation or picture of a sacred or sanctified Christian personage, traditionally used and venerated in the Eastern Church.
An important and enduring symbol: "Voyager will take its place ... alongside such icons of airborne adventure as The Spirit of St. Louis and [the] Bell X-1"(William D. Marbach).
One who is the object of great attention and devotion; an idol: "He is ... a pop icon designed and manufactured for the video generation"(Harry F. Waters).
Computer Science A picture on a screen that represents a specific file, directory, window, option, or program.
[From Greek eikōn, from eikenai, to be like, seem.]
icon (ī'kŏn') Pronunciation Key
In a graphical user interface, a picture on the screen that represents a specific file, directory, window, or program. Clicking on an icon will start the associated program or open the associated file, directory, or window.
[ahy-kon] 
kɒn
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