Pronunciation: (mir'ur),[key] —n. 1. a reflecting surface, originally of polished metal but now usually of glass with a silvery, metallic, or amalgam backing.
2. such a surface set into a frame, attached to a handle, etc., for use in viewing oneself or as an ornament.
3. any reflecting surface, as the surface of calm water under certain lighting conditions.
4. Optics.a surface that is either plane, concave, or convex and that reflects rays of light.
5. something that gives a minutely faithful representation, image, or idea of something else: Gershwin's music was a mirror of its time. 6. a pattern for imitation; exemplar: a man who was the mirror of fashion. 7. a glass, crystal, or the like, used by magicians, diviners, etc.
8. with mirrors, by or as if by magic.
—v.t. 1. to reflect in or as if in a mirror.
2. to reflect as a mirror does.
3. to mimic or imitate (something) accurately.
4. to be or give a faithful representation, image, or idea of: Her views on politics mirror mine completely.
—adj. Music.(of a canon or fugue) capable of being played in retrograde or in inversion, as though read in a mirror placed beside or below the music.