mirror image noun
plural ∼ -ages [count] 1 : something that looks like something else but with its left and right sides reversed
▪ The left hand and the right hand are mirror images (of each other). = The left hand is the/a mirror image of the right hand. ▪ The left side of the building is a mirror image of the right. 2 : someone who looks like someone else
▪ He's the mirror image [=(more commonly) spitting image] of his father. [=he looks just like his father]
▪ The left hand and the right hand are mirror images (of each other). = The left hand is the/a mirror image of the right hand. ▪ The left side of the building is a mirror image of the right.
▪ He's the mirror image [=(more commonly) spitting image] of his father. [=he looks just like his father]



