This is the 7133rd most frequent French word.
miroir
Mirror.
Here, 'miroir' is used to denote the object itself—a mirror, typically used for seeing one's reflection.
J'ai regardé mon reflet dans le miroir.
I looked at my reflection in the mirror.
In this figurative context, 'miroir' represents a metaphorical reflection, indicating similarity or representation.
Ce paysage est comme un miroir de mon âme.
This landscape is like a mirror to my soul.
Here, 'miroir' is again used literally to refer to the physical object that is mounted on a wall and used for decoration or utility.