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American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A reproduction of the form of person or object, especially a sculptured likeness.
2. n. Physics An optically formed duplicate, counterpart, or other representative reproduction of an object, especially an optical reproduction formed by a lens or mirror.
3. n. One that closely or exactly resembles another; a double: He is the image of his uncle.
4. n. The opinion or concept of something that is held by the public.
5. n. The character projected to the public, as by a person or institution, especially as interpreted by the mass media.
6. n. A personification of something specified: That child is the image of good health.
7. n. A mental picture of something not real or present.
8. n. A vivid description or representation.
9. n. A figure of speech, especially a metaphor or simile.
10. n. A concrete representation, as in art, literature, or music, that is expressive or evocative of something else: night as an image of death.
11. n. Mathematics A set of values of a function corresponding to a particular subset of a domain.
12. n. Computer Science An exact replica of the contents of a storage device, such as a hard disk, stored on a second storage device, such as a network server.
13. n. Obsolete An apparition.
14. v. To make or produce a likeness of: imaged the poet in bronze.
15. v. To mirror or reflect: a statue imaged in the water.
16. v. To symbolize or typify: a kneeling woman imaging the nation's grief.
17. v. To picture mentally; imagine.
18. v. To describe, especially so vividly as to evoke a mental picture of.
19. v. Computer Science To print (a file) using a laser printer, imagesetter, direct-to-plate press, or similar device.
20. v. Computer Science To transmit (an exact replica of the contents of a storage device) to another storage device: imaged the hard drive to the server.
21. v. To render visually, as by magnetic resonance imaging.

Century Dictionary and Cyclopedia

1. n. A likeness or similitude of a person, animal, or thing; any representation of form or features, but more especially one of the entire figure, as by sculpture or modeling; a statue, effigy, bust, relief, intaglio, portrait, etc.: as, an image in stone, bronze, clay, or wax; a painted or stamped image; to worship idolatrous images.
2. n. A natural similitude, reproduction, or counterpart; that which constitutes an essential representation, copy, or likeness: as, the child is the very image of its mother.
3. n. A concrete mental object, not derived from direct perception, but the product of the imagination; a mental picture.
4. n. Semblance; show; appearance; aspect.
5. n. In rhetoric, a metaphor so expanded as to present a complete likeness or picture to the mind; a similitude wrought out by description; an illustrative comparison: as, a metaphor suggests a likeness, but an image paints it with a few verbal touches.
6. n. An optical counterpart or appearance of an object, such as is produced by reflection from a mirror, refraction by a lens, or the passage of luminous rays through a small aperture. See vision, mirror, and lens.
7. n. In mathematics, when imaginary quantities are represented by points on a plane, a point representing any given function of a quantity represented by another point, the former point is said to be the image of the latter.
8. To form an image of; represent by an image; reflect the likeness of; mirror: as, mountains imaged in the peaceful lake.
9. To present to the mental vision; exhibit a mental picture of; portray to the imagination.
10. To form a likeness of in the mind; call up a mental image or perception of; imagine.
11. To be like; resemble: as, he imaged his brother.
12. n. Images (as of a candle flame) reflected from the anterior and posterior surfaces of the crystalline lens and from the front of the cornea. The middle image (that from the anterior surface of the lens) varies in size and position as the eye is alternately accommodated for a farther and a nearer point.

Wiktionary

1. n. An optical or other representation of a real object; a graphic; a picture.
2. n. A mental picture of something not real or not present.
3. n. computing A file that contains all information needed to produce a live working copy. (see disk image, executable image and image copy)
4. n. A characteristic of a person, group or company etc., style, manner of dress, how one is, or wishes to be, perceived by others.
5. n. mathematics Something mapped to by a function.
6. n. mathematics The subset of a codomain comprising those elements that are images of something.
7. v. transitive To represent symbolically
8. v. transitive To reflect, mirror
9. v. transitive To create an image of.
10. v. transitive, computing To create a complete backup copy of a file system or other entity.

GNU Webster's 1913

1. n. An imitation, representation, or similitude of any person, thing, or act, sculptured, drawn, painted, or otherwise made perceptible to the sight; a visible presentation; a copy; a likeness; an effigy; a picture; a semblance.
2. n. Hence: The likeness of anything to which worship is paid; an idol.
3. n. Show; appearance; cast.
4. n. A representation of anything to the mind; a picture drawn by the fancy; a conception; an idea.
5. n. (Rhet.) A picture, example, or illustration, often taken from sensible objects, and used to illustrate a subject; usually, an extended metaphor.
6. n. (Opt.) The figure or picture of any object formed at the focus of a lens or mirror, by rays of light from the several points of the object symmetrically refracted or reflected to corresponding points in such focus; this may be received on a screen, a photographic plate, or the retina of the eye, and viewed directly by the eye, or with an eyeglass, as in the telescope and microscope; the likeness of an object formed by reflection.
7. v. To represent or form an image of
8. v. To represent to the mental vision; to form a likeness of by the fancy or recollection; to imagine.

WordNet 3.0

1. n. the general impression that something (a person or organization or product) presents to the public
2. n. an iconic mental representation
3. n. a standard or typical example
4. v. render visible, as by means of MRI
5. n. someone who closely resembles a famous person (especially an actor)
6. n. a visual representation (of an object or scene or person or abstraction) produced on a surface
7. v. imagine; conceive of; see in one's mind
8. n. a representation of a person (especially in the form of sculpture)
9. n. (Jungian psychology) a personal facade that one presents to the world
10. n. (mathematics) the set of values of the dependent variable for which a function is defined
11. n. language used in a figurative or nonliteral sense