/mi rahzh"/ , n.
1. an optical phenomenon, esp. in the desert or at sea, by which the image of some object appears displaced above, below, or to one side of its true position as a result of spatial variations of the index of refraction of air.
2. something illusory, without substance or reality.
3. ( cap. ) Mil. any of a series of supersonic, delta-wing, multirole French fighter-bombers.
[ 1795-1805; se ) mir ( er ) to look at (oneself), be reflected ( mirari to wonder at) + -age -AGE ]
Syn. 2. illusion, phantom, fancy.