Definitions
1.nounAn image, symbol, picture, or other representation usually as an object of religious devotion.
2.noun(especially Eastern Christianity) A type of religious painting portraying a saint or scene from Scripture, often done on wooden panels.
3.noun(by extension) A person or thing that is the best example of a certain profession or some doing."That man is an icon in the business; he personifies loyalty and good business sense."
4.nounA small picture that represents something (such as an icon on a computer screen which when clicked performs some function.)
5.nounA word, character, or sign whose form reflects and is determined by the referent; onomatopoeic words are necessarily all icons.