noun 1 . A reproduction of the form of a person or object, especially a sculptured likeness. 2. Physics. An optically formed duplicate, counterpart, or other representative reproduction of an object, especially an optical reproduction formed by a lens or mirror. 3. One that closely or exactly resembles another; a double: He is the image of his uncle. 4. A mental picture of something not real or present. 5. Concrete representation, as in art, literature, or music, that is expressive or evocative of something else: night as an image of death.
[Middle English, from Old French, from Latin im  g  . See aim- in Indo-European Roots.]
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