A2
a piece of glass with a shiny metallic material on one side which produces an image of anything that is in front of it
Dictionary examples:
My cat thinks the mirror is a window to another cat world. (0.0)
My dog barks at his reflection in the mirror every morning. (0.0)
The mirror in the fun house made me look like a banana. (0.0)
the bathroom mirror (10.4)
She was looking at her reflection in the mirror. (31.5)